Home / 54,722,997.20-82,033,174.20-20,667,227.60

Finding the Fourth Proportional to 54,722,997.20, 82,033,174.20 and 20,667,227.60

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Solution

The fourth proportional to 54,722,997.20, 82,033,174.20 and 20,667,227.60 is: 30,981,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722,997.20 : 82,033,174.20 = 20,667,227.60 : x
  2. Step 2: Convert to fraction form
    54,722,997.20/82,033,174.20 = 20,667,227.60/x
  3. Step 3: Cross multiply
    54,722,997.20x = 82,033,174.20 × 20,667,227.60
  4. Step 4: Simplify right side
    54,722,997.20x = 1,695,398,281,941,848
  5. Step 5: Solve for x
    x = 1,695,398,281,941,848/54,722,997.20
  6. Step 6: Final answer
    x = 30,981,458.78

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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.