Home / 218,309,984.20-327,464,976.30-109,152,002.80

Finding the Fourth Proportional to 218,309,984.20, 327,464,976.30 and 109,152,002.80

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Solution

The fourth proportional to 218,309,984.20, 327,464,976.30 and 109,152,002.80 is: 163,728,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,309,984.20 : 327,464,976.30 = 109,152,002.80 : x
  2. Step 2: Convert to fraction form
    218,309,984.20/327,464,976.30 = 109,152,002.80/x
  3. Step 3: Cross multiply
    218,309,984.20x = 327,464,976.30 × 109,152,002.80
  4. Step 4: Simplify right side
    218,309,984.20x = 35,743,458,009,999,532
  5. Step 5: Solve for x
    x = 35,743,458,009,999,532/218,309,984.20
  6. Step 6: Final answer
    x = 163,728,004.20

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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.