Home / 231,661,348.71-319,712,377.50-131,207,655.84

Finding the Fourth Proportional to 231,661,348.71, 319,712,377.50 and 131,207,655.84

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Solution

The fourth proportional to 231,661,348.71, 319,712,377.50 and 131,207,655.84 is: 181,077,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,661,348.71 : 319,712,377.50 = 131,207,655.84 : x
  2. Step 2: Convert to fraction form
    231,661,348.71/319,712,377.50 = 131,207,655.84/x
  3. Step 3: Cross multiply
    231,661,348.71x = 319,712,377.50 × 131,207,655.84
  4. Step 4: Simplify right side
    231,661,348.71x = 41,948,711,594,808,160
  5. Step 5: Solve for x
    x = 41,948,711,594,808,160/231,661,348.71
  6. Step 6: Final answer
    x = 181,077,731.91

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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.