Finding the Fourth Proportional to 291,034,317.60, 436,612,129.20 and 97,006,010.40
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Solution
The fourth proportional to 291,034,317.60, 436,612,129.20 and 97,006,010.40 is: 145,529,232.07
Step by Step Solution
- Step 1: Write the proportion equation
291,034,317.60 : 436,612,129.20 = 97,006,010.40 : x - Step 2: Convert to fraction form
291,034,317.60/436,612,129.20 = 97,006,010.40/x - Step 3: Cross multiply
291,034,317.60x = 436,612,129.20 × 97,006,010.40 - Step 4: Simplify right side
291,034,317.60x = 42,354,000,745,941,344 - Step 5: Solve for x
x = 42,354,000,745,941,344/291,034,317.60 - Step 6: Final answer
x = 145,529,232.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.