Home / 80,553,520.20-120,830,280.30-67,956,400.20

Finding the Fourth Proportional to 80,553,520.20, 120,830,280.30 and 67,956,400.20

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Solution

The fourth proportional to 80,553,520.20, 120,830,280.30 and 67,956,400.20 is: 101,934,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,553,520.20 : 120,830,280.30 = 67,956,400.20 : x
  2. Step 2: Convert to fraction form
    80,553,520.20/120,830,280.30 = 67,956,400.20/x
  3. Step 3: Cross multiply
    80,553,520.20x = 120,830,280.30 × 67,956,400.20
  4. Step 4: Simplify right side
    80,553,520.20x = 8,211,190,884,344,976
  5. Step 5: Solve for x
    x = 8,211,190,884,344,976/80,553,520.20
  6. Step 6: Final answer
    x = 101,934,600.30

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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.