Finding the Fourth Proportional to 252,142,607.08, 378,225,501.72 and 77,253,115.96
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Solution
The fourth proportional to 252,142,607.08, 378,225,501.72 and 77,253,115.96 is: 115,883,225.30
Step by Step Solution
- Step 1: Write the proportion equation
252,142,607.08 : 378,225,501.72 = 77,253,115.96 : x - Step 2: Convert to fraction form
252,142,607.08/378,225,501.72 = 77,253,115.96/x - Step 3: Cross multiply
252,142,607.08x = 378,225,501.72 × 77,253,115.96 - Step 4: Simplify right side
252,142,607.08x = 29,219,098,543,404,340 - Step 5: Solve for x
x = 29,219,098,543,404,340/252,142,607.08 - Step 6: Final answer
x = 115,883,225.30
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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.