Home / 220,777,062.80-331,291,565.40-84,560,205.20

Finding the Fourth Proportional to 220,777,062.80, 331,291,565.40 and 84,560,205.20

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Solution

The fourth proportional to 220,777,062.80, 331,291,565.40 and 84,560,205.20 is: 126,888,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,777,062.80 : 331,291,565.40 = 84,560,205.20 : x
  2. Step 2: Convert to fraction form
    220,777,062.80/331,291,565.40 = 84,560,205.20/x
  3. Step 3: Cross multiply
    220,777,062.80x = 331,291,565.40 × 84,560,205.20
  4. Step 4: Simplify right side
    220,777,062.80x = 28,014,082,751,253,220
  5. Step 5: Solve for x
    x = 28,014,082,751,253,220/220,777,062.80
  6. Step 6: Final answer
    x = 126,888,556.25

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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.