Cost of living in Ribeirão Preto (Brazil) is 25% more expensive than in Zapopan (Mexico)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 490 prices entered by 35 different people.
For example, you would need at least Mex$ 71,004 (R$ 13,884) in Ribeirão Preto to maintain the same standard of living that you can have with Mex$ 57,000 in Zapopan.