Home / 80,767,993.08-111,458,306.97-49,403,734.41

Finding the Fourth Proportional to 80,767,993.08, 111,458,306.97 and 49,403,734.41

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Solution

The fourth proportional to 80,767,993.08, 111,458,306.97 and 49,403,734.41 is: 68,176,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,767,993.08 : 111,458,306.97 = 49,403,734.41 : x
  2. Step 2: Convert to fraction form
    80,767,993.08/111,458,306.97 = 49,403,734.41/x
  3. Step 3: Cross multiply
    80,767,993.08x = 111,458,306.97 × 49,403,734.41
  4. Step 4: Simplify right side
    80,767,993.08x = 5,506,456,595,334,131
  5. Step 5: Solve for x
    x = 5,506,456,595,334,131/80,767,993.08
  6. Step 6: Final answer
    x = 68,176,221.61

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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.