Home / 221,981,207.40-332,971,811.10-68,642,764.20

Finding the Fourth Proportional to 221,981,207.40, 332,971,811.10 and 68,642,764.20

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Solution

The fourth proportional to 221,981,207.40, 332,971,811.10 and 68,642,764.20 is: 102,964,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,981,207.40 : 332,971,811.10 = 68,642,764.20 : x
  2. Step 2: Convert to fraction form
    221,981,207.40/332,971,811.10 = 68,642,764.20/x
  3. Step 3: Cross multiply
    221,981,207.40x = 332,971,811.10 × 68,642,764.20
  4. Step 4: Simplify right side
    221,981,207.40x = 22,856,105,514,584,244
  5. Step 5: Solve for x
    x = 22,856,105,514,584,244/221,981,207.40
  6. Step 6: Final answer
    x = 102,964,146.30

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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.