Home / 120,077,591.11-165,707,217.39-65,073,447.61

Finding the Fourth Proportional to 120,077,591.11, 165,707,217.39 and 65,073,447.61

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Solution

The fourth proportional to 120,077,591.11, 165,707,217.39 and 65,073,447.61 is: 89,801,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,591.11 : 165,707,217.39 = 65,073,447.61 : x
  2. Step 2: Convert to fraction form
    120,077,591.11/165,707,217.39 = 65,073,447.61/x
  3. Step 3: Cross multiply
    120,077,591.11x = 165,707,217.39 × 65,073,447.61
  4. Step 4: Simplify right side
    120,077,591.11x = 10,783,139,929,427,044
  5. Step 5: Solve for x
    x = 10,783,139,929,427,044/120,077,591.11
  6. Step 6: Final answer
    x = 89,801,434.47

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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.