Home / 80,451,974.30-120,677,961.45-29,335,660.70

Finding the Fourth Proportional to 80,451,974.30, 120,677,961.45 and 29,335,660.70

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Solution

The fourth proportional to 80,451,974.30, 120,677,961.45 and 29,335,660.70 is: 44,003,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,974.30 : 120,677,961.45 = 29,335,660.70 : x
  2. Step 2: Convert to fraction form
    80,451,974.30/120,677,961.45 = 29,335,660.70/x
  3. Step 3: Cross multiply
    80,451,974.30x = 120,677,961.45 × 29,335,660.70
  4. Step 4: Simplify right side
    80,451,974.30x = 3,540,167,731,064,880
  5. Step 5: Solve for x
    x = 3,540,167,731,064,880/80,451,974.30
  6. Step 6: Final answer
    x = 44,003,491.05

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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.