Home / 281,729,489.10-422,594,233.65-172,890,372.30

Finding the Fourth Proportional to 281,729,489.10, 422,594,233.65 and 172,890,372.30

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Solution

The fourth proportional to 281,729,489.10, 422,594,233.65 and 172,890,372.30 is: 259,335,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,729,489.10 : 422,594,233.65 = 172,890,372.30 : x
  2. Step 2: Convert to fraction form
    281,729,489.10/422,594,233.65 = 172,890,372.30/x
  3. Step 3: Cross multiply
    281,729,489.10x = 422,594,233.65 × 172,890,372.30
  4. Step 4: Simplify right side
    281,729,489.10x = 73,062,474,387,581,696
  5. Step 5: Solve for x
    x = 73,062,474,387,581,696/281,729,489.10
  6. Step 6: Final answer
    x = 259,335,558.45

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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.