Home / 203,940,584.20-281,438,046.48-111,121,091.74

Finding the Fourth Proportional to 203,940,584.20, 281,438,046.48 and 111,121,091.74

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Solution

The fourth proportional to 203,940,584.20, 281,438,046.48 and 111,121,091.74 is: 153,347,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,584.20 : 281,438,046.48 = 111,121,091.74 : x
  2. Step 2: Convert to fraction form
    203,940,584.20/281,438,046.48 = 111,121,091.74/x
  3. Step 3: Cross multiply
    203,940,584.20x = 281,438,046.48 × 111,121,091.74
  4. Step 4: Simplify right side
    203,940,584.20x = 31,273,702,982,030,464
  5. Step 5: Solve for x
    x = 31,273,702,982,030,464/203,940,584.20
  6. Step 6: Final answer
    x = 153,347,128.55

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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.