Home / 61,002,408.30-91,503,612.45-36,815,937.90

Finding the Fourth Proportional to 61,002,408.30, 91,503,612.45 and 36,815,937.90

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Solution

The fourth proportional to 61,002,408.30, 91,503,612.45 and 36,815,937.90 is: 55,223,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,002,408.30 : 91,503,612.45 = 36,815,937.90 : x
  2. Step 2: Convert to fraction form
    61,002,408.30/91,503,612.45 = 36,815,937.90/x
  3. Step 3: Cross multiply
    61,002,408.30x = 91,503,612.45 × 36,815,937.90
  4. Step 4: Simplify right side
    61,002,408.30x = 3,368,791,313,584,867
  5. Step 5: Solve for x
    x = 3,368,791,313,584,867/61,002,408.30
  6. Step 6: Final answer
    x = 55,223,906.85

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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.