Home / 245,205,822.38-367,981,120.77-221,761,964.39

Finding the Fourth Proportional to 245,205,822.38, 367,981,120.77 and 221,761,964.39

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Solution

The fourth proportional to 245,205,822.38, 367,981,120.77 and 221,761,964.39 is: 332,798,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,205,822.38 : 367,981,120.77 = 221,761,964.39 : x
  2. Step 2: Convert to fraction form
    245,205,822.38/367,981,120.77 = 221,761,964.39/x
  3. Step 3: Cross multiply
    245,205,822.38x = 367,981,120.77 × 221,761,964.39
  4. Step 4: Simplify right side
    245,205,822.38x = 81,604,216,198,549,120
  5. Step 5: Solve for x
    x = 81,604,216,198,549,120/245,205,822.38
  6. Step 6: Final answer
    x = 332,798,852.03

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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.