Home / 280,227,758.56-420,179,015.18-132,674,079.80

Finding the Fourth Proportional to 280,227,758.56, 420,179,015.18 and 132,674,079.80

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Solution

The fourth proportional to 280,227,758.56, 420,179,015.18 and 132,674,079.80 is: 198,934,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,227,758.56 : 420,179,015.18 = 132,674,079.80 : x
  2. Step 2: Convert to fraction form
    280,227,758.56/420,179,015.18 = 132,674,079.80/x
  3. Step 3: Cross multiply
    280,227,758.56x = 420,179,015.18 × 132,674,079.80
  4. Step 4: Simplify right side
    280,227,758.56x = 55,746,864,191,658,864
  5. Step 5: Solve for x
    x = 55,746,864,191,658,864/280,227,758.56
  6. Step 6: Final answer
    x = 198,934,125.86

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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.