Home / 80,451,986.55-120,677,979.83-29,335,672.95

Finding the Fourth Proportional to 80,451,986.55, 120,677,979.83 and 29,335,672.95

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Solution

The fourth proportional to 80,451,986.55, 120,677,979.83 and 29,335,672.95 is: 44,003,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,986.55 : 120,677,979.83 = 29,335,672.95 : x
  2. Step 2: Convert to fraction form
    80,451,986.55/120,677,979.83 = 29,335,672.95/x
  3. Step 3: Cross multiply
    80,451,986.55x = 120,677,979.83 × 29,335,672.95
  4. Step 4: Simplify right side
    80,451,986.55x = 3,540,169,748,412,898
  5. Step 5: Solve for x
    x = 3,540,169,748,412,898/80,451,986.55
  6. Step 6: Final answer
    x = 44,003,509.43

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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.