Home / 82,373,500.20-123,560,250.30-67,067,999.40

Finding the Fourth Proportional to 82,373,500.20, 123,560,250.30 and 67,067,999.40

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Solution

The fourth proportional to 82,373,500.20, 123,560,250.30 and 67,067,999.40 is: 100,601,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,373,500.20 : 123,560,250.30 = 67,067,999.40 : x
  2. Step 2: Convert to fraction form
    82,373,500.20/123,560,250.30 = 67,067,999.40/x
  3. Step 3: Cross multiply
    82,373,500.20x = 123,560,250.30 × 67,067,999.40
  4. Step 4: Simplify right side
    82,373,500.20x = 8,286,938,792,984,249
  5. Step 5: Solve for x
    x = 8,286,938,792,984,249/82,373,500.20
  6. Step 6: Final answer
    x = 100,601,999.10

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Similar ratio
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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.