Home / 80,280,326-110,777,451.12-47,233,306.88

Finding the Fourth Proportional to 80,280,326, 110,777,451.12 and 47,233,306.88

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Solution

The fourth proportional to 80,280,326, 110,777,451.12 and 47,233,306.88 is: 65,176,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280,326 : 110,777,451.12 = 47,233,306.88 : x
  2. Step 2: Convert to fraction form
    80,280,326/110,777,451.12 = 47,233,306.88/x
  3. Step 3: Cross multiply
    80,280,326x = 110,777,451.12 × 47,233,306.88
  4. Step 4: Simplify right side
    80,280,326x = 5,232,385,344,135,160
  5. Step 5: Solve for x
    x = 5,232,385,344,135,160/80,280,326
  6. Step 6: Final answer
    x = 65,176,433.69

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1.5x scale

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.