Home / 231,670,601.12-319,727,631.84-132,531,664.16

Finding the Fourth Proportional to 231,670,601.12, 319,727,631.84 and 132,531,664.16

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Solution

The fourth proportional to 231,670,601.12, 319,727,631.84 and 132,531,664.16 is: 182,906,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,670,601.12 : 319,727,631.84 = 132,531,664.16 : x
  2. Step 2: Convert to fraction form
    231,670,601.12/319,727,631.84 = 132,531,664.16/x
  3. Step 3: Cross multiply
    231,670,601.12x = 319,727,631.84 × 132,531,664.16
  4. Step 4: Simplify right side
    231,670,601.12x = 42,374,035,125,691,000
  5. Step 5: Solve for x
    x = 42,374,035,125,691,000/231,670,601.12
  6. Step 6: Final answer
    x = 182,906,397.79

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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.