Finding the Fourth Proportional to 106,542,722.97, 147,053,527.11 and 62,503,869.42
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Solution
The fourth proportional to 106,542,722.97, 147,053,527.11 and 62,503,869.42 is: 86,269,753.58
Step by Step Solution
- Step 1: Write the proportion equation
106,542,722.97 : 147,053,527.11 = 62,503,869.42 : x - Step 2: Convert to fraction form
106,542,722.97/147,053,527.11 = 62,503,869.42/x - Step 3: Cross multiply
106,542,722.97x = 147,053,527.11 × 62,503,869.42 - Step 4: Simplify right side
106,542,722.97x = 9,191,414,456,233,872 - Step 5: Solve for x
x = 9,191,414,456,233,872/106,542,722.97 - Step 6: Final answer
x = 86,269,753.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.