Home / 42,154,808.38-58,155,822.21-28,220,652.85

Finding the Fourth Proportional to 42,154,808.38, 58,155,822.21 and 28,220,652.85

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Solution

The fourth proportional to 42,154,808.38, 58,155,822.21 and 28,220,652.85 is: 38,932,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154,808.38 : 58,155,822.21 = 28,220,652.85 : x
  2. Step 2: Convert to fraction form
    42,154,808.38/58,155,822.21 = 28,220,652.85/x
  3. Step 3: Cross multiply
    42,154,808.38x = 58,155,822.21 × 28,220,652.85
  4. Step 4: Simplify right side
    42,154,808.38x = 1,641,195,269,794,730
  5. Step 5: Solve for x
    x = 1,641,195,269,794,730/42,154,808.38
  6. Step 6: Final answer
    x = 38,932,575.73

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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.