Home / 280,374,226.80-420,561,340.20-159,441,874.80

Finding the Fourth Proportional to 280,374,226.80, 420,561,340.20 and 159,441,874.80

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Solution

The fourth proportional to 280,374,226.80, 420,561,340.20 and 159,441,874.80 is: 239,162,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,374,226.80 : 420,561,340.20 = 159,441,874.80 : x
  2. Step 2: Convert to fraction form
    280,374,226.80/420,561,340.20 = 159,441,874.80/x
  3. Step 3: Cross multiply
    280,374,226.80x = 420,561,340.20 × 159,441,874.80
  4. Step 4: Simplify right side
    280,374,226.80x = 67,055,088,549,888,608
  5. Step 5: Solve for x
    x = 67,055,088,549,888,608/280,374,226.80
  6. Step 6: Final answer
    x = 239,162,812.20

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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.