Home / 295,819,257.50-408,227,548.60-163,661,199.88

Finding the Fourth Proportional to 295,819,257.50, 408,227,548.60 and 163,661,199.88

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Solution

The fourth proportional to 295,819,257.50, 408,227,548.60 and 163,661,199.88 is: 225,850,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,819,257.50 : 408,227,548.60 = 163,661,199.88 : x
  2. Step 2: Convert to fraction form
    295,819,257.50/408,227,548.60 = 163,661,199.88/x
  3. Step 3: Cross multiply
    295,819,257.50x = 408,227,548.60 × 163,661,199.88
  4. Step 4: Simplify right side
    295,819,257.50x = 66,811,010,427,947,016
  5. Step 5: Solve for x
    x = 66,811,010,427,947,016/295,819,257.50
  6. Step 6: Final answer
    x = 225,850,781.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.