Home / 84,225,680.80-126,228,447.60-60,960,758.56

Finding the Fourth Proportional to 84,225,680.80, 126,228,447.60 and 60,960,758.56

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Solution

The fourth proportional to 84,225,680.80, 126,228,447.60 and 60,960,758.56 is: 91,361,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,225,680.80 : 126,228,447.60 = 60,960,758.56 : x
  2. Step 2: Convert to fraction form
    84,225,680.80/126,228,447.60 = 60,960,758.56/x
  3. Step 3: Cross multiply
    84,225,680.80x = 126,228,447.60 × 60,960,758.56
  4. Step 4: Simplify right side
    84,225,680.80x = 7,694,981,917,547,211
  5. Step 5: Solve for x
    x = 7,694,981,917,547,211/84,225,680.80
  6. Step 6: Final answer
    x = 91,361,468.91

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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.