Home / 71,873,122.50-107,766,504.15-28,101,732.90

Finding the Fourth Proportional to 71,873,122.50, 107,766,504.15 and 28,101,732.90

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Solution

The fourth proportional to 71,873,122.50, 107,766,504.15 and 28,101,732.90 is: 42,135,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873,122.50 : 107,766,504.15 = 28,101,732.90 : x
  2. Step 2: Convert to fraction form
    71,873,122.50/107,766,504.15 = 28,101,732.90/x
  3. Step 3: Cross multiply
    71,873,122.50x = 107,766,504.15 × 28,101,732.90
  4. Step 4: Simplify right side
    71,873,122.50x = 3,028,425,514,838,467
  5. Step 5: Solve for x
    x = 3,028,425,514,838,467/71,873,122.50
  6. Step 6: Final answer
    x = 42,135,716.52

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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.