Home / 115,912,608.60-173,868,912.90-87,002,218.20

Finding the Fourth Proportional to 115,912,608.60, 173,868,912.90 and 87,002,218.20

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Solution

The fourth proportional to 115,912,608.60, 173,868,912.90 and 87,002,218.20 is: 130,503,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,608.60 : 173,868,912.90 = 87,002,218.20 : x
  2. Step 2: Convert to fraction form
    115,912,608.60/173,868,912.90 = 87,002,218.20/x
  3. Step 3: Cross multiply
    115,912,608.60x = 173,868,912.90 × 87,002,218.20
  4. Step 4: Simplify right side
    115,912,608.60x = 15,126,981,098,322,596
  5. Step 5: Solve for x
    x = 15,126,981,098,322,596/115,912,608.60
  6. Step 6: Final answer
    x = 130,503,327.30

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1.5x scale

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.