Home / 49,172,375.20-73,758,562.80-20,801,840.80

Finding the Fourth Proportional to 49,172,375.20, 73,758,562.80 and 20,801,840.80

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Solution

The fourth proportional to 49,172,375.20, 73,758,562.80 and 20,801,840.80 is: 31,202,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172,375.20 : 73,758,562.80 = 20,801,840.80 : x
  2. Step 2: Convert to fraction form
    49,172,375.20/73,758,562.80 = 20,801,840.80/x
  3. Step 3: Cross multiply
    49,172,375.20x = 73,758,562.80 × 20,801,840.80
  4. Step 4: Simplify right side
    49,172,375.20x = 1,534,313,881,002,402.25
  5. Step 5: Solve for x
    x = 1,534,313,881,002,402.25/49,172,375.20
  6. Step 6: Final answer
    x = 31,202,761.20

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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.