Finding the Fourth Proportional to 86,376,148.31, 119,199,877.81 and 49,205,877.68
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Solution
The fourth proportional to 86,376,148.31, 119,199,877.81 and 49,205,877.68 is: 67,904,563.03
Step by Step Solution
- Step 1: Write the proportion equation
86,376,148.31 : 119,199,877.81 = 49,205,877.68 : x - Step 2: Convert to fraction form
86,376,148.31/119,199,877.81 = 49,205,877.68/x - Step 3: Cross multiply
86,376,148.31x = 119,199,877.81 × 49,205,877.68 - Step 4: Simplify right side
86,376,148.31x = 5,865,334,607,164,791 - Step 5: Solve for x
x = 5,865,334,607,164,791/86,376,148.31 - Step 6: Final answer
x = 67,904,563.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.