Finding the Fourth Proportional to 252,889,712.14, 348,995,470 and 141,385,251.05
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Solution
The fourth proportional to 252,889,712.14, 348,995,470 and 141,385,251.05 is: 195,115,933.05
Step by Step Solution
- Step 1: Write the proportion equation
252,889,712.14 : 348,995,470 = 141,385,251.05 : x - Step 2: Convert to fraction form
252,889,712.14/348,995,470 = 141,385,251.05/x - Step 3: Cross multiply
252,889,712.14x = 348,995,470 × 141,385,251.05 - Step 4: Simplify right side
252,889,712.14x = 49,342,812,141,262,744 - Step 5: Solve for x
x = 49,342,812,141,262,744/252,889,712.14 - Step 6: Final answer
x = 195,115,933.05
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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.