Home / 87,454,505.60-131,181,758.40-47,143,721.60

Finding the Fourth Proportional to 87,454,505.60, 131,181,758.40 and 47,143,721.60

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Solution

The fourth proportional to 87,454,505.60, 131,181,758.40 and 47,143,721.60 is: 70,715,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,454,505.60 : 131,181,758.40 = 47,143,721.60 : x
  2. Step 2: Convert to fraction form
    87,454,505.60/131,181,758.40 = 47,143,721.60/x
  3. Step 3: Cross multiply
    87,454,505.60x = 131,181,758.40 × 47,143,721.60
  4. Step 4: Simplify right side
    87,454,505.60x = 6,184,396,297,008,062
  5. Step 5: Solve for x
    x = 6,184,396,297,008,062/87,454,505.60
  6. Step 6: Final answer
    x = 70,715,582.40

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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.