Home / 61,131,468.72-84,400,151.12-37,951,193.28

Finding the Fourth Proportional to 61,131,468.72, 84,400,151.12 and 37,951,193.28

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Solution

The fourth proportional to 61,131,468.72, 84,400,151.12 and 37,951,193.28 is: 52,396,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,131,468.72 : 84,400,151.12 = 37,951,193.28 : x
  2. Step 2: Convert to fraction form
    61,131,468.72/84,400,151.12 = 37,951,193.28/x
  3. Step 3: Cross multiply
    61,131,468.72x = 84,400,151.12 × 37,951,193.28
  4. Step 4: Simplify right side
    61,131,468.72x = 3,203,086,448,498,865.50
  5. Step 5: Solve for x
    x = 3,203,086,448,498,865.50/61,131,468.72
  6. Step 6: Final answer
    x = 52,396,687.26

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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.