Home / 325,092,819.60-487,639,229.40-131,097,171.60

Finding the Fourth Proportional to 325,092,819.60, 487,639,229.40 and 131,097,171.60

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Solution

The fourth proportional to 325,092,819.60, 487,639,229.40 and 131,097,171.60 is: 196,645,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,092,819.60 : 487,639,229.40 = 131,097,171.60 : x
  2. Step 2: Convert to fraction form
    325,092,819.60/487,639,229.40 = 131,097,171.60/x
  3. Step 3: Cross multiply
    325,092,819.60x = 487,639,229.40 × 131,097,171.60
  4. Step 4: Simplify right side
    325,092,819.60x = 63,928,123,735,543,560
  5. Step 5: Solve for x
    x = 63,928,123,735,543,560/325,092,819.60
  6. Step 6: Final answer
    x = 196,645,757.40

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1.5x scale

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.