Home / 227,531,812.12-313,991,665.32-123,107,592.22

Finding the Fourth Proportional to 227,531,812.12, 313,991,665.32 and 123,107,592.22

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Solution

The fourth proportional to 227,531,812.12, 313,991,665.32 and 123,107,592.22 is: 169,887,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,531,812.12 : 313,991,665.32 = 123,107,592.22 : x
  2. Step 2: Convert to fraction form
    227,531,812.12/313,991,665.32 = 123,107,592.22/x
  3. Step 3: Cross multiply
    227,531,812.12x = 313,991,665.32 × 123,107,592.22
  4. Step 4: Simplify right side
    227,531,812.12x = 38,654,757,894,693,272
  5. Step 5: Solve for x
    x = 38,654,757,894,693,272/227,531,812.12
  6. Step 6: Final answer
    x = 169,887,267.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.