Finding the Fourth Proportional to 173,792,732.40, 260,857,060.20 and 87,628,431.60
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Solution
The fourth proportional to 173,792,732.40, 260,857,060.20 and 87,628,431.60 is: 131,527,335.70
Step by Step Solution
- Step 1: Write the proportion equation
173,792,732.40 : 260,857,060.20 = 87,628,431.60 : x - Step 2: Convert to fraction form
173,792,732.40/260,857,060.20 = 87,628,431.60/x - Step 3: Cross multiply
173,792,732.40x = 260,857,060.20 × 87,628,431.60 - Step 4: Simplify right side
173,792,732.40x = 22,858,495,057,112,780 - Step 5: Solve for x
x = 22,858,495,057,112,780/173,792,732.40 - Step 6: Final answer
x = 131,527,335.70
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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.