Home / 80,451,983.80-120,677,975.70-29,335,670.20

Finding the Fourth Proportional to 80,451,983.80, 120,677,975.70 and 29,335,670.20

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Solution

The fourth proportional to 80,451,983.80, 120,677,975.70 and 29,335,670.20 is: 44,003,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,983.80 : 120,677,975.70 = 29,335,670.20 : x
  2. Step 2: Convert to fraction form
    80,451,983.80/120,677,975.70 = 29,335,670.20/x
  3. Step 3: Cross multiply
    80,451,983.80x = 120,677,975.70 × 29,335,670.20
  4. Step 4: Simplify right side
    80,451,983.80x = 3,540,169,295,538,814
  5. Step 5: Solve for x
    x = 3,540,169,295,538,814/80,451,983.80
  6. Step 6: Final answer
    x = 44,003,505.30

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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.