Home / 281,799,008.20-422,698,512.30-178,486,877.80

Finding the Fourth Proportional to 281,799,008.20, 422,698,512.30 and 178,486,877.80

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Solution

The fourth proportional to 281,799,008.20, 422,698,512.30 and 178,486,877.80 is: 267,730,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,799,008.20 : 422,698,512.30 = 178,486,877.80 : x
  2. Step 2: Convert to fraction form
    281,799,008.20/422,698,512.30 = 178,486,877.80/x
  3. Step 3: Cross multiply
    281,799,008.20x = 422,698,512.30 × 178,486,877.80
  4. Step 4: Simplify right side
    281,799,008.20x = 75,446,137,711,131,904
  5. Step 5: Solve for x
    x = 75,446,137,711,131,904/281,799,008.20
  6. Step 6: Final answer
    x = 267,730,316.70

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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.