Home / 279,086,086.34-418,692,134.33-92,339,587.29

Finding the Fourth Proportional to 279,086,086.34, 418,692,134.33 and 92,339,587.29

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Solution

The fourth proportional to 279,086,086.34, 418,692,134.33 and 92,339,587.29 is: 138,530,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,086,086.34 : 418,692,134.33 = 92,339,587.29 : x
  2. Step 2: Convert to fraction form
    279,086,086.34/418,692,134.33 = 92,339,587.29/x
  3. Step 3: Cross multiply
    279,086,086.34x = 418,692,134.33 × 92,339,587.29
  4. Step 4: Simplify right side
    279,086,086.34x = 38,661,858,883,507,976
  5. Step 5: Solve for x
    x = 38,661,858,883,507,976/279,086,086.34
  6. Step 6: Final answer
    x = 138,530,226.97

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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.