Finding the Fourth Proportional to 252,889,711.29, 348,995,468.84 and 141,385,250.21
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Solution
The fourth proportional to 252,889,711.29, 348,995,468.84 and 141,385,250.21 is: 195,115,931.88
Step by Step Solution
- Step 1: Write the proportion equation
252,889,711.29 : 348,995,468.84 = 141,385,250.21 : x - Step 2: Convert to fraction form
252,889,711.29/348,995,468.84 = 141,385,250.21/x - Step 3: Cross multiply
252,889,711.29x = 348,995,468.84 × 141,385,250.21 - Step 4: Simplify right side
252,889,711.29x = 49,342,811,681,647,760 - Step 5: Solve for x
x = 49,342,811,681,647,760/252,889,711.29 - Step 6: Final answer
x = 195,115,931.88
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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.