Home / 82,061,367.58-123,082,954.10-20,650,542.90

Finding the Fourth Proportional to 82,061,367.58, 123,082,954.10 and 20,650,542.90

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Solution

The fourth proportional to 82,061,367.58, 123,082,954.10 and 20,650,542.90 is: 30,973,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,061,367.58 : 123,082,954.10 = 20,650,542.90 : x
  2. Step 2: Convert to fraction form
    82,061,367.58/123,082,954.10 = 20,650,542.90/x
  3. Step 3: Cross multiply
    82,061,367.58x = 123,082,954.10 × 20,650,542.90
  4. Step 4: Simplify right side
    82,061,367.58x = 2,541,729,823,900,780.50
  5. Step 5: Solve for x
    x = 2,541,729,823,900,780.50/82,061,367.58
  6. Step 6: Final answer
    x = 30,973,525.04

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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.