Home / 204,066,455.76-281,522,819.52-129,687,154.32

Finding the Fourth Proportional to 204,066,455.76, 281,522,819.52 and 129,687,154.32

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Solution

The fourth proportional to 204,066,455.76, 281,522,819.52 and 129,687,154.32 is: 178,911,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,066,455.76 : 281,522,819.52 = 129,687,154.32 : x
  2. Step 2: Convert to fraction form
    204,066,455.76/281,522,819.52 = 129,687,154.32/x
  3. Step 3: Cross multiply
    204,066,455.76x = 281,522,819.52 × 129,687,154.32
  4. Step 4: Simplify right side
    204,066,455.76x = 36,509,893,339,691,744
  5. Step 5: Solve for x
    x = 36,509,893,339,691,744/204,066,455.76
  6. Step 6: Final answer
    x = 178,911,782.46

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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.