Home / 151,719,618.20-209,373,711.44-82,105,002.48

Finding the Fourth Proportional to 151,719,618.20, 209,373,711.44 and 82,105,002.48

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Solution

The fourth proportional to 151,719,618.20, 209,373,711.44 and 82,105,002.48 is: 113,305,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,618.20 : 209,373,711.44 = 82,105,002.48 : x
  2. Step 2: Convert to fraction form
    151,719,618.20/209,373,711.44 = 82,105,002.48/x
  3. Step 3: Cross multiply
    151,719,618.20x = 209,373,711.44 × 82,105,002.48
  4. Step 4: Simplify right side
    151,719,618.20x = 17,190,629,097,028,006
  5. Step 5: Solve for x
    x = 17,190,629,097,028,006/151,719,618.20
  6. Step 6: Final answer
    x = 113,305,248.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.