Home / 87,369,658.20-131,138,468.10-44,287,507.80

Finding the Fourth Proportional to 87,369,658.20, 131,138,468.10 and 44,287,507.80

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Solution

The fourth proportional to 87,369,658.20, 131,138,468.10 and 44,287,507.80 is: 66,473,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,369,658.20 : 131,138,468.10 = 44,287,507.80 : x
  2. Step 2: Convert to fraction form
    87,369,658.20/131,138,468.10 = 44,287,507.80/x
  3. Step 3: Cross multiply
    87,369,658.20x = 131,138,468.10 × 44,287,507.80
  4. Step 4: Simplify right side
    87,369,658.20x = 5,807,795,928,858,801
  5. Step 5: Solve for x
    x = 5,807,795,928,858,801/87,369,658.20
  6. Step 6: Final answer
    x = 66,473,831.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.