Home / 231,112,886.07-318,901,721.58-140,540,171.61

Finding the Fourth Proportional to 231,112,886.07, 318,901,721.58 and 140,540,171.61

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Solution

The fourth proportional to 231,112,886.07, 318,901,721.58 and 140,540,171.61 is: 193,924,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,112,886.07 : 318,901,721.58 = 140,540,171.61 : x
  2. Step 2: Convert to fraction form
    231,112,886.07/318,901,721.58 = 140,540,171.61/x
  3. Step 3: Cross multiply
    231,112,886.07x = 318,901,721.58 × 140,540,171.61
  4. Step 4: Simplify right side
    231,112,886.07x = 44,818,502,677,577,640
  5. Step 5: Solve for x
    x = 44,818,502,677,577,640/231,112,886.07
  6. Step 6: Final answer
    x = 193,924,724.15

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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.