Home / 327,407,147.30-491,110,720.95-163,670,175.20

Finding the Fourth Proportional to 327,407,147.30, 491,110,720.95 and 163,670,175.20

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Solution

The fourth proportional to 327,407,147.30, 491,110,720.95 and 163,670,175.20 is: 245,505,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,407,147.30 : 491,110,720.95 = 163,670,175.20 : x
  2. Step 2: Convert to fraction form
    327,407,147.30/491,110,720.95 = 163,670,175.20/x
  3. Step 3: Cross multiply
    327,407,147.30x = 491,110,720.95 × 163,670,175.20
  4. Step 4: Simplify right side
    327,407,147.30x = 80,380,177,740,484,800
  5. Step 5: Solve for x
    x = 80,380,177,740,484,800/327,407,147.30
  6. Step 6: Final answer
    x = 245,505,262.80

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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.