Finding the Fourth Proportional to 118,711,537.29, 177,804,209.79 and 91,215,436.05
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Solution
The fourth proportional to 118,711,537.29, 177,804,209.79 and 91,215,436.05 is: 136,620,996.56
Step by Step Solution
- Step 1: Write the proportion equation
118,711,537.29 : 177,804,209.79 = 91,215,436.05 : x - Step 2: Convert to fraction form
118,711,537.29/177,804,209.79 = 91,215,436.05/x - Step 3: Cross multiply
118,711,537.29x = 177,804,209.79 × 91,215,436.05 - Step 4: Simplify right side
118,711,537.29x = 16,218,488,527,520,528 - Step 5: Solve for x
x = 16,218,488,527,520,528/118,711,537.29 - Step 6: Final answer
x = 136,620,996.56
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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.