Home / 281,799,015.70-422,698,523.55-178,486,885.30

Finding the Fourth Proportional to 281,799,015.70, 422,698,523.55 and 178,486,885.30

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Solution

The fourth proportional to 281,799,015.70, 422,698,523.55 and 178,486,885.30 is: 267,730,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,799,015.70 : 422,698,523.55 = 178,486,885.30 : x
  2. Step 2: Convert to fraction form
    281,799,015.70/422,698,523.55 = 178,486,885.30/x
  3. Step 3: Cross multiply
    281,799,015.70x = 422,698,523.55 × 178,486,885.30
  4. Step 4: Simplify right side
    281,799,015.70x = 75,446,142,889,348,208
  5. Step 5: Solve for x
    x = 75,446,142,889,348,208/281,799,015.70
  6. Step 6: Final answer
    x = 267,730,327.95

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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.