Home / 81,686,452.74-112,727,306.22-45,017,023.74

Finding the Fourth Proportional to 81,686,452.74, 112,727,306.22 and 45,017,023.74

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Solution

The fourth proportional to 81,686,452.74, 112,727,306.22 and 45,017,023.74 is: 62,123,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,686,452.74 : 112,727,306.22 = 45,017,023.74 : x
  2. Step 2: Convert to fraction form
    81,686,452.74/112,727,306.22 = 45,017,023.74/x
  3. Step 3: Cross multiply
    81,686,452.74x = 112,727,306.22 × 45,017,023.74
  4. Step 4: Simplify right side
    81,686,452.74x = 5,074,647,820,251,990
  5. Step 5: Solve for x
    x = 5,074,647,820,251,990/81,686,452.74
  6. Step 6: Final answer
    x = 62,123,493.55

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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.