Home / 80,451,866.80-120,677,800.20-29,335,553.20

Finding the Fourth Proportional to 80,451,866.80, 120,677,800.20 and 29,335,553.20

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Solution

The fourth proportional to 80,451,866.80, 120,677,800.20 and 29,335,553.20 is: 44,003,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,866.80 : 120,677,800.20 = 29,335,553.20 : x
  2. Step 2: Convert to fraction form
    80,451,866.80/120,677,800.20 = 29,335,553.20/x
  3. Step 3: Cross multiply
    80,451,866.80x = 120,677,800.20 × 29,335,553.20
  4. Step 4: Simplify right side
    80,451,866.80x = 3,540,150,027,826,070.50
  5. Step 5: Solve for x
    x = 3,540,150,027,826,070.50/80,451,866.80
  6. Step 6: Final answer
    x = 44,003,329.80

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1.5x scale

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.