Home / 227,531,807.62-313,991,659.11-123,107,587.72

Finding the Fourth Proportional to 227,531,807.62, 313,991,659.11 and 123,107,587.72

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Solution

The fourth proportional to 227,531,807.62, 313,991,659.11 and 123,107,587.72 is: 169,887,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,531,807.62 : 313,991,659.11 = 123,107,587.72 : x
  2. Step 2: Convert to fraction form
    227,531,807.62/313,991,659.11 = 123,107,587.72/x
  3. Step 3: Cross multiply
    227,531,807.62x = 313,991,659.11 × 123,107,587.72
  4. Step 4: Simplify right side
    227,531,807.62x = 38,654,755,717,232,664
  5. Step 5: Solve for x
    x = 38,654,755,717,232,664/227,531,807.62
  6. Step 6: Final answer
    x = 169,887,261.57

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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.