Home / 200,034,791.28-299,663,944.56-147,416,902.20

Finding the Fourth Proportional to 200,034,791.28, 299,663,944.56 and 147,416,902.20

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Solution

The fourth proportional to 200,034,791.28, 299,663,944.56 and 147,416,902.20 is: 220,839,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,034,791.28 : 299,663,944.56 = 147,416,902.20 : x
  2. Step 2: Convert to fraction form
    200,034,791.28/299,663,944.56 = 147,416,902.20/x
  3. Step 3: Cross multiply
    200,034,791.28x = 299,663,944.56 × 147,416,902.20
  4. Step 4: Simplify right side
    200,034,791.28x = 44,175,530,408,067,736
  5. Step 5: Solve for x
    x = 44,175,530,408,067,736/200,034,791.28
  6. Step 6: Final answer
    x = 220,839,235.64

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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.