Home / 89,826,105.40-123,960,768.60-49,593,397.30

Finding the Fourth Proportional to 89,826,105.40, 123,960,768.60 and 49,593,397.30

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Solution

The fourth proportional to 89,826,105.40, 123,960,768.60 and 49,593,397.30 is: 68,439,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,826,105.40 : 123,960,768.60 = 49,593,397.30 : x
  2. Step 2: Convert to fraction form
    89,826,105.40/123,960,768.60 = 49,593,397.30/x
  3. Step 3: Cross multiply
    89,826,105.40x = 123,960,768.60 × 49,593,397.30
  4. Step 4: Simplify right side
    89,826,105.40x = 6,147,635,646,793,164
  5. Step 5: Solve for x
    x = 6,147,635,646,793,164/89,826,105.40
  6. Step 6: Final answer
    x = 68,439,298.57

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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.