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Finding the Fourth Proportional to 163,309,489.20, 244,964,233.80 and 108,889,930.80

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Solution

The fourth proportional to 163,309,489.20, 244,964,233.80 and 108,889,930.80 is: 163,334,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,309,489.20 : 244,964,233.80 = 108,889,930.80 : x
  2. Step 2: Convert to fraction form
    163,309,489.20/244,964,233.80 = 108,889,930.80/x
  3. Step 3: Cross multiply
    163,309,489.20x = 244,964,233.80 × 108,889,930.80
  4. Step 4: Simplify right side
    163,309,489.20x = 26,674,138,466,957,020
  5. Step 5: Solve for x
    x = 26,674,138,466,957,020/163,309,489.20
  6. Step 6: Final answer
    x = 163,334,896.20

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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.