Home / 221,971,777.20-332,957,665.80-68,617,587.60

Finding the Fourth Proportional to 221,971,777.20, 332,957,665.80 and 68,617,587.60

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Solution

The fourth proportional to 221,971,777.20, 332,957,665.80 and 68,617,587.60 is: 102,926,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,971,777.20 : 332,957,665.80 = 68,617,587.60 : x
  2. Step 2: Convert to fraction form
    221,971,777.20/332,957,665.80 = 68,617,587.60/x
  3. Step 3: Cross multiply
    221,971,777.20x = 332,957,665.80 × 68,617,587.60
  4. Step 4: Simplify right side
    221,971,777.20x = 22,846,751,800,123,024
  5. Step 5: Solve for x
    x = 22,846,751,800,123,024/221,971,777.20
  6. Step 6: Final answer
    x = 102,926,381.40

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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.