Home / 28,188,082.20-42,282,123.30-23,149,234.20

Finding the Fourth Proportional to 28,188,082.20, 42,282,123.30 and 23,149,234.20

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Solution

The fourth proportional to 28,188,082.20, 42,282,123.30 and 23,149,234.20 is: 34,723,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,082.20 : 42,282,123.30 = 23,149,234.20 : x
  2. Step 2: Convert to fraction form
    28,188,082.20/42,282,123.30 = 23,149,234.20/x
  3. Step 3: Cross multiply
    28,188,082.20x = 42,282,123.30 × 23,149,234.20
  4. Step 4: Simplify right side
    28,188,082.20x = 978,798,774,744,976.75
  5. Step 5: Solve for x
    x = 978,798,774,744,976.75/28,188,082.20
  6. Step 6: Final answer
    x = 34,723,851.30

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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.