Home / 218,310,007.20-327,465,010.80-109,152,025.80

Finding the Fourth Proportional to 218,310,007.20, 327,465,010.80 and 109,152,025.80

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Solution

The fourth proportional to 218,310,007.20, 327,465,010.80 and 109,152,025.80 is: 163,728,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,310,007.20 : 327,465,010.80 = 109,152,025.80 : x
  2. Step 2: Convert to fraction form
    218,310,007.20/327,465,010.80 = 109,152,025.80/x
  3. Step 3: Cross multiply
    218,310,007.20x = 327,465,010.80 × 109,152,025.80
  4. Step 4: Simplify right side
    218,310,007.20x = 35,743,469,307,438,880
  5. Step 5: Solve for x
    x = 35,743,469,307,438,880/218,310,007.20
  6. Step 6: Final answer
    x = 163,728,038.70

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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.