Home / 204,170,672,629.60-281,882,684,644.56-129,969,486,210.43

Finding the Fourth Proportional to 204,170,672,629.60, 281,882,684,644.56 and 129,969,486,210.43

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Solution

The fourth proportional to 204,170,672,629.60, 281,882,684,644.56 and 129,969,486,210.43 is: 179,438,835,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,170,672,629.60 : 281,882,684,644.56 = 129,969,486,210.43 : x
  2. Step 2: Convert to fraction form
    204,170,672,629.60/281,882,684,644.56 = 129,969,486,210.43/x
  3. Step 3: Cross multiply
    204,170,672,629.60x = 281,882,684,644.56 × 129,969,486,210.43
  4. Step 4: Simplify right side
    204,170,672,629.60x = 36,636,147,694,870,126,919,680
  5. Step 5: Solve for x
    x = 36,636,147,694,870,126,919,680/204,170,672,629.60
  6. Step 6: Final answer
    x = 179,438,835,279.42

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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.