Home / 80,451,958.30-120,677,937.45-29,335,644.70

Finding the Fourth Proportional to 80,451,958.30, 120,677,937.45 and 29,335,644.70

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Solution

The fourth proportional to 80,451,958.30, 120,677,937.45 and 29,335,644.70 is: 44,003,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,958.30 : 120,677,937.45 = 29,335,644.70 : x
  2. Step 2: Convert to fraction form
    80,451,958.30/120,677,937.45 = 29,335,644.70/x
  3. Step 3: Cross multiply
    80,451,958.30x = 120,677,937.45 × 29,335,644.70
  4. Step 4: Simplify right side
    80,451,958.30x = 3,540,165,096,162,024
  5. Step 5: Solve for x
    x = 3,540,165,096,162,024/80,451,958.30
  6. Step 6: Final answer
    x = 44,003,467.05

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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.