Home / 281,729,523.60-422,594,285.40-172,890,406.80

Finding the Fourth Proportional to 281,729,523.60, 422,594,285.40 and 172,890,406.80

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Solution

The fourth proportional to 281,729,523.60, 422,594,285.40 and 172,890,406.80 is: 259,335,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,729,523.60 : 422,594,285.40 = 172,890,406.80 : x
  2. Step 2: Convert to fraction form
    281,729,523.60/422,594,285.40 = 172,890,406.80/x
  3. Step 3: Cross multiply
    281,729,523.60x = 422,594,285.40 × 172,890,406.80
  4. Step 4: Simplify right side
    281,729,523.60x = 73,062,497,914,161,296
  5. Step 5: Solve for x
    x = 73,062,497,914,161,296/281,729,523.60
  6. Step 6: Final answer
    x = 259,335,610.20

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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.