Colombia's finance minister on Saturday revealed that member countries of the Inter-American Development Bank could hand the regional lender a capital rise of $80 billion to fill its coffers.

Representatives of member countries at an annual IADB meeting in the Mexican resort of Cancun are posing details of a proposal for members to put up the new capital and could make the final agreement on Sunday, Colombian Finance Minister Oscar Zuluaga revealed reporters.

"It was well received. We still don't have a final resolution," said Zuluaga, who is chairman of the IADB's board of governors.

After the global financial crisis, the bank reportedly approved a whopping $15.5 billion in funding, boosted from more than a third compared to the year earlier

Devoid of fresh funding from the member countries, its ability to lend will face a significant fall in coming years, and loans to the region would vanish.

Moreno's fundraising has been complicated by overstretched budgets of rich countries whose economies were in the troubling waters because of the crisis. Other development banks, such as the World Bank and African Development Bank, are also lobbying their member countries for funding.