Finding the Fourth Proportional to 251,254,349.46, 376,881,655.62 and 78,744,598.68
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Solution
The fourth proportional to 251,254,349.46, 376,881,655.62 and 78,744,598.68 is: 118,116,939.21
Step by Step Solution
- Step 1: Write the proportion equation
251,254,349.46 : 376,881,655.62 = 78,744,598.68 : x - Step 2: Convert to fraction form
251,254,349.46/376,881,655.62 = 78,744,598.68/x - Step 3: Cross multiply
251,254,349.46x = 376,881,655.62 × 78,744,598.68 - Step 4: Simplify right side
251,254,349.46x = 29,677,394,721,650,868 - Step 5: Solve for x
x = 29,677,394,721,650,868/251,254,349.46 - Step 6: Final answer
x = 118,116,939.21
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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.