Home / 281,729,194.60-422,593,791.90-172,890,077.80

Finding the Fourth Proportional to 281,729,194.60, 422,593,791.90 and 172,890,077.80

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Solution

The fourth proportional to 281,729,194.60, 422,593,791.90 and 172,890,077.80 is: 259,335,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,729,194.60 : 422,593,791.90 = 172,890,077.80 : x
  2. Step 2: Convert to fraction form
    281,729,194.60/422,593,791.90 = 172,890,077.80/x
  3. Step 3: Cross multiply
    281,729,194.60x = 422,593,791.90 × 172,890,077.80
  4. Step 4: Simplify right side
    281,729,194.60x = 73,062,273,559,388,016
  5. Step 5: Solve for x
    x = 73,062,273,559,388,016/281,729,194.60
  6. Step 6: Final answer
    x = 259,335,116.70

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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.