Cost of living in Ribeirão Preto (Brazil) is 36% 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 548 prices entered by 46 different people.
For example, you would need at least Mex$ 74,885 (R$ 13,486) in Ribeirão Preto to maintain the same standard of living that you can have with Mex$ 55,000 in Zapopan.