Home / 83,136,034.20-124,704,051.30-68,206,114.20

Finding the Fourth Proportional to 83,136,034.20, 124,704,051.30 and 68,206,114.20

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Solution

The fourth proportional to 83,136,034.20, 124,704,051.30 and 68,206,114.20 is: 102,309,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136,034.20 : 124,704,051.30 = 68,206,114.20 : x
  2. Step 2: Convert to fraction form
    83,136,034.20/124,704,051.30 = 68,206,114.20/x
  3. Step 3: Cross multiply
    83,136,034.20x = 124,704,051.30 × 68,206,114.20
  4. Step 4: Simplify right side
    83,136,034.20x = 8,505,578,764,170,459
  5. Step 5: Solve for x
    x = 8,505,578,764,170,459/83,136,034.20
  6. Step 6: Final answer
    x = 102,309,171.30

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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.