Home / 266,120,096.20-399,180,144.30-129,892,870.60

Finding the Fourth Proportional to 266,120,096.20, 399,180,144.30 and 129,892,870.60

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Solution

The fourth proportional to 266,120,096.20, 399,180,144.30 and 129,892,870.60 is: 194,839,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,120,096.20 : 399,180,144.30 = 129,892,870.60 : x
  2. Step 2: Convert to fraction form
    266,120,096.20/399,180,144.30 = 129,892,870.60/x
  3. Step 3: Cross multiply
    266,120,096.20x = 399,180,144.30 × 129,892,870.60
  4. Step 4: Simplify right side
    266,120,096.20x = 51,850,654,829,649,224
  5. Step 5: Solve for x
    x = 51,850,654,829,649,224/266,120,096.20
  6. Step 6: Final answer
    x = 194,839,305.90

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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.