Finding the Fourth Proportional to 87,715,711.48, 121,048,639.14 and 48,558,142.12
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Solution
The fourth proportional to 87,715,711.48, 121,048,639.14 and 48,558,142.12 is: 67,010,766.07
Step by Step Solution
- Step 1: Write the proportion equation
87,715,711.48 : 121,048,639.14 = 48,558,142.12 : x - Step 2: Convert to fraction form
87,715,711.48/121,048,639.14 = 48,558,142.12/x - Step 3: Cross multiply
87,715,711.48x = 121,048,639.14 × 48,558,142.12 - Step 4: Simplify right side
87,715,711.48x = 5,877,897,022,792,714 - Step 5: Solve for x
x = 5,877,897,022,792,714/87,715,711.48 - Step 6: Final answer
x = 67,010,766.07
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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.