Home / 172,034,218.60-258,051,327.90-129,566,890.60

Finding the Fourth Proportional to 172,034,218.60, 258,051,327.90 and 129,566,890.60

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Solution

The fourth proportional to 172,034,218.60, 258,051,327.90 and 129,566,890.60 is: 194,350,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,034,218.60 : 258,051,327.90 = 129,566,890.60 : x
  2. Step 2: Convert to fraction form
    172,034,218.60/258,051,327.90 = 129,566,890.60/x
  3. Step 3: Cross multiply
    172,034,218.60x = 258,051,327.90 × 129,566,890.60
  4. Step 4: Simplify right side
    172,034,218.60x = 33,434,908,171,204,028
  5. Step 5: Solve for x
    x = 33,434,908,171,204,028/172,034,218.60
  6. Step 6: Final answer
    x = 194,350,335.90

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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.