Home / 71,109,770.40-98,139,447.11-40,171,932.59

Finding the Fourth Proportional to 71,109,770.40, 98,139,447.11 and 40,171,932.59

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Solution

The fourth proportional to 71,109,770.40, 98,139,447.11 and 40,171,932.59 is: 55,441,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,109,770.40 : 98,139,447.11 = 40,171,932.59 : x
  2. Step 2: Convert to fraction form
    71,109,770.40/98,139,447.11 = 40,171,932.59/x
  3. Step 3: Cross multiply
    71,109,770.40x = 98,139,447.11 × 40,171,932.59
  4. Step 4: Simplify right side
    71,109,770.40x = 3,942,451,253,332,523
  5. Step 5: Solve for x
    x = 3,942,451,253,332,523/71,109,770.40
  6. Step 6: Final answer
    x = 55,441,766.04

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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.