Home / 168,815,195.70-253,222,793.55-82,721,753.70

Finding the Fourth Proportional to 168,815,195.70, 253,222,793.55 and 82,721,753.70

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Solution

The fourth proportional to 168,815,195.70, 253,222,793.55 and 82,721,753.70 is: 124,082,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,815,195.70 : 253,222,793.55 = 82,721,753.70 : x
  2. Step 2: Convert to fraction form
    168,815,195.70/253,222,793.55 = 82,721,753.70/x
  3. Step 3: Cross multiply
    168,815,195.70x = 253,222,793.55 × 82,721,753.70
  4. Step 4: Simplify right side
    168,815,195.70x = 20,947,033,559,269,052
  5. Step 5: Solve for x
    x = 20,947,033,559,269,052/168,815,195.70
  6. Step 6: Final answer
    x = 124,082,630.55

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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.