Home / 132,416,155.16-198,652,821.69-40,307,095.88

Finding the Fourth Proportional to 132,416,155.16, 198,652,821.69 and 40,307,095.88

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Solution

The fourth proportional to 132,416,155.16, 198,652,821.69 and 40,307,095.88 is: 60,469,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416,155.16 : 198,652,821.69 = 40,307,095.88 : x
  2. Step 2: Convert to fraction form
    132,416,155.16/198,652,821.69 = 40,307,095.88/x
  3. Step 3: Cross multiply
    132,416,155.16x = 198,652,821.69 × 40,307,095.88
  4. Step 4: Simplify right side
    132,416,155.16x = 8,007,118,330,691,374
  5. Step 5: Solve for x
    x = 8,007,118,330,691,374/132,416,155.16
  6. Step 6: Final answer
    x = 60,469,346.21

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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.