Home / 90,383,176.23-123,060,144.39-90,096,198.09

Finding the Fourth Proportional to 90,383,176.23, 123,060,144.39 and 90,096,198.09

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Solution

The fourth proportional to 90,383,176.23, 123,060,144.39 and 90,096,198.09 is: 122,669,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,383,176.23 : 123,060,144.39 = 90,096,198.09 : x
  2. Step 2: Convert to fraction form
    90,383,176.23/123,060,144.39 = 90,096,198.09/x
  3. Step 3: Cross multiply
    90,383,176.23x = 123,060,144.39 × 90,096,198.09
  4. Step 4: Simplify right side
    90,383,176.23x = 11,087,251,145,945,442
  5. Step 5: Solve for x
    x = 11,087,251,145,945,442/90,383,176.23
  6. Step 6: Final answer
    x = 122,669,412.70

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.