Home / 231,639,167.34-319,660,814.48-125,791,657.43

Finding the Fourth Proportional to 231,639,167.34, 319,660,814.48 and 125,791,657.43

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Solution

The fourth proportional to 231,639,167.34, 319,660,814.48 and 125,791,657.43 is: 173,591,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,639,167.34 : 319,660,814.48 = 125,791,657.43 : x
  2. Step 2: Convert to fraction form
    231,639,167.34/319,660,814.48 = 125,791,657.43/x
  3. Step 3: Cross multiply
    231,639,167.34x = 319,660,814.48 × 125,791,657.43
  4. Step 4: Simplify right side
    231,639,167.34x = 40,210,663,666,635,680
  5. Step 5: Solve for x
    x = 40,210,663,666,635,680/231,639,167.34
  6. Step 6: Final answer
    x = 173,591,815.79

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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.