Home / 225,778,822.80-338,668,234.20-80,376,565.20

Finding the Fourth Proportional to 225,778,822.80, 338,668,234.20 and 80,376,565.20

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Solution

The fourth proportional to 225,778,822.80, 338,668,234.20 and 80,376,565.20 is: 120,564,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,778,822.80 : 338,668,234.20 = 80,376,565.20 : x
  2. Step 2: Convert to fraction form
    225,778,822.80/338,668,234.20 = 80,376,565.20/x
  3. Step 3: Cross multiply
    225,778,822.80x = 338,668,234.20 × 80,376,565.20
  4. Step 4: Simplify right side
    225,778,822.80x = 27,220,989,407,345,168
  5. Step 5: Solve for x
    x = 27,220,989,407,345,168/225,778,822.80
  6. Step 6: Final answer
    x = 120,564,847.80

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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.