Home / 80,451,865.80-120,677,798.70-29,335,552.20

Finding the Fourth Proportional to 80,451,865.80, 120,677,798.70 and 29,335,552.20

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Solution

The fourth proportional to 80,451,865.80, 120,677,798.70 and 29,335,552.20 is: 44,003,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,865.80 : 120,677,798.70 = 29,335,552.20 : x
  2. Step 2: Convert to fraction form
    80,451,865.80/120,677,798.70 = 29,335,552.20/x
  3. Step 3: Cross multiply
    80,451,865.80x = 120,677,798.70 × 29,335,552.20
  4. Step 4: Simplify right side
    80,451,865.80x = 3,540,149,863,144,942
  5. Step 5: Solve for x
    x = 3,540,149,863,144,942/80,451,865.80
  6. Step 6: Final answer
    x = 44,003,328.30

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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.