Home / 218,318,439.31-301,305,865.10-124,255,456.31

Finding the Fourth Proportional to 218,318,439.31, 301,305,865.10 and 124,255,456.31

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Solution

The fourth proportional to 218,318,439.31, 301,305,865.10 and 124,255,456.31 is: 171,487,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,318,439.31 : 301,305,865.10 = 124,255,456.31 : x
  2. Step 2: Convert to fraction form
    218,318,439.31/301,305,865.10 = 124,255,456.31/x
  3. Step 3: Cross multiply
    218,318,439.31x = 301,305,865.10 × 124,255,456.31
  4. Step 4: Simplify right side
    218,318,439.31x = 37,438,897,757,011,792
  5. Step 5: Solve for x
    x = 37,438,897,757,011,792/218,318,439.31
  6. Step 6: Final answer
    x = 171,487,565.94

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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.