Home / 218,310,002.70-327,465,004.05-109,152,021.30

Finding the Fourth Proportional to 218,310,002.70, 327,465,004.05 and 109,152,021.30

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Solution

The fourth proportional to 218,310,002.70, 327,465,004.05 and 109,152,021.30 is: 163,728,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,310,002.70 : 327,465,004.05 = 109,152,021.30 : x
  2. Step 2: Convert to fraction form
    218,310,002.70/327,465,004.05 = 109,152,021.30/x
  3. Step 3: Cross multiply
    218,310,002.70x = 327,465,004.05 × 109,152,021.30
  4. Step 4: Simplify right side
    218,310,002.70x = 35,743,467,097,070,188
  5. Step 5: Solve for x
    x = 35,743,467,097,070,188/218,310,002.70
  6. Step 6: Final answer
    x = 163,728,031.95

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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.