Home / 218,508,890.40-327,763,335.60-149,634,136.80

Finding the Fourth Proportional to 218,508,890.40, 327,763,335.60 and 149,634,136.80

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Solution

The fourth proportional to 218,508,890.40, 327,763,335.60 and 149,634,136.80 is: 224,451,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,508,890.40 : 327,763,335.60 = 149,634,136.80 : x
  2. Step 2: Convert to fraction form
    218,508,890.40/327,763,335.60 = 149,634,136.80/x
  3. Step 3: Cross multiply
    218,508,890.40x = 327,763,335.60 × 149,634,136.80
  4. Step 4: Simplify right side
    218,508,890.40x = 49,044,583,797,194,720
  5. Step 5: Solve for x
    x = 49,044,583,797,194,720/218,508,890.40
  6. Step 6: Final answer
    x = 224,451,205.20

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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.