Home / 172,389,813.70-258,584,720.55-107,766,588.10

Finding the Fourth Proportional to 172,389,813.70, 258,584,720.55 and 107,766,588.10

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Solution

The fourth proportional to 172,389,813.70, 258,584,720.55 and 107,766,588.10 is: 161,649,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,389,813.70 : 258,584,720.55 = 107,766,588.10 : x
  2. Step 2: Convert to fraction form
    172,389,813.70/258,584,720.55 = 107,766,588.10/x
  3. Step 3: Cross multiply
    172,389,813.70x = 258,584,720.55 × 107,766,588.10
  4. Step 4: Simplify right side
    172,389,813.70x = 27,866,793,068,465,456
  5. Step 5: Solve for x
    x = 27,866,793,068,465,456/172,389,813.70
  6. Step 6: Final answer
    x = 161,649,882.15

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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.