Home / 218,266,124.20-327,399,186.30-131,960,105.80

Finding the Fourth Proportional to 218,266,124.20, 327,399,186.30 and 131,960,105.80

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Solution

The fourth proportional to 218,266,124.20, 327,399,186.30 and 131,960,105.80 is: 197,940,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,266,124.20 : 327,399,186.30 = 131,960,105.80 : x
  2. Step 2: Convert to fraction form
    218,266,124.20/327,399,186.30 = 131,960,105.80/x
  3. Step 3: Cross multiply
    218,266,124.20x = 327,399,186.30 × 131,960,105.80
  4. Step 4: Simplify right side
    218,266,124.20x = 43,203,631,262,981,912
  5. Step 5: Solve for x
    x = 43,203,631,262,981,912/218,266,124.20
  6. Step 6: Final answer
    x = 197,940,158.70

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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.