Home / 132,521,375.30-198,523,460.59-103,238,100.45

Finding the Fourth Proportional to 132,521,375.30, 198,523,460.59 and 103,238,100.45

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Solution

The fourth proportional to 132,521,375.30, 198,523,460.59 and 103,238,100.45 is: 154,655,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,521,375.30 : 198,523,460.59 = 103,238,100.45 : x
  2. Step 2: Convert to fraction form
    132,521,375.30/198,523,460.59 = 103,238,100.45/x
  3. Step 3: Cross multiply
    132,521,375.30x = 198,523,460.59 × 103,238,100.45
  4. Step 4: Simplify right side
    132,521,375.30x = 20,495,184,965,813,944
  5. Step 5: Solve for x
    x = 20,495,184,965,813,944/132,521,375.30
  6. Step 6: Final answer
    x = 154,655,691.73

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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.