Finding the Fourth Proportional to 66,453,349.60, 99,572,715.60 and 37,613,720.80
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Solution
The fourth proportional to 66,453,349.60, 99,572,715.60 and 37,613,720.80 is: 56,359,842.60
Step by Step Solution
- Step 1: Write the proportion equation
66,453,349.60 : 99,572,715.60 = 37,613,720.80 : x - Step 2: Convert to fraction form
66,453,349.60/99,572,715.60 = 37,613,720.80/x - Step 3: Cross multiply
66,453,349.60x = 99,572,715.60 × 37,613,720.80 - Step 4: Simplify right side
66,453,349.60x = 3,745,300,323,876,204 - Step 5: Solve for x
x = 3,745,300,323,876,204/66,453,349.60 - Step 6: Final answer
x = 56,359,842.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.