Home / 87,614,644.11-120,945,437.57-54,591,209.17

Finding the Fourth Proportional to 87,614,644.11, 120,945,437.57 and 54,591,209.17

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Solution

The fourth proportional to 87,614,644.11, 120,945,437.57 and 54,591,209.17 is: 75,359,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,644.11 : 120,945,437.57 = 54,591,209.17 : x
  2. Step 2: Convert to fraction form
    87,614,644.11/120,945,437.57 = 54,591,209.17/x
  3. Step 3: Cross multiply
    87,614,644.11x = 120,945,437.57 × 54,591,209.17
  4. Step 4: Simplify right side
    87,614,644.11x = 6,602,557,680,541,046
  5. Step 5: Solve for x
    x = 6,602,557,680,541,046/87,614,644.11
  6. Step 6: Final answer
    x = 75,359,065.23

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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.