Home / 117,251,609.80-175,877,414.70-86,640,608.20

Finding the Fourth Proportional to 117,251,609.80, 175,877,414.70 and 86,640,608.20

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Solution

The fourth proportional to 117,251,609.80, 175,877,414.70 and 86,640,608.20 is: 129,960,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,251,609.80 : 175,877,414.70 = 86,640,608.20 : x
  2. Step 2: Convert to fraction form
    117,251,609.80/175,877,414.70 = 86,640,608.20/x
  3. Step 3: Cross multiply
    117,251,609.80x = 175,877,414.70 × 86,640,608.20
  4. Step 4: Simplify right side
    117,251,609.80x = 15,238,126,178,251,620
  5. Step 5: Solve for x
    x = 15,238,126,178,251,620/117,251,609.80
  6. Step 6: Final answer
    x = 129,960,912.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.