Home / 115,819,763.40-173,729,645.10-88,609,984.20

Finding the Fourth Proportional to 115,819,763.40, 173,729,645.10 and 88,609,984.20

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Solution

The fourth proportional to 115,819,763.40, 173,729,645.10 and 88,609,984.20 is: 132,914,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,819,763.40 : 173,729,645.10 = 88,609,984.20 : x
  2. Step 2: Convert to fraction form
    115,819,763.40/173,729,645.10 = 88,609,984.20/x
  3. Step 3: Cross multiply
    115,819,763.40x = 173,729,645.10 × 88,609,984.20
  4. Step 4: Simplify right side
    115,819,763.40x = 15,394,181,107,382,608
  5. Step 5: Solve for x
    x = 15,394,181,107,382,608/115,819,763.40
  6. Step 6: Final answer
    x = 132,914,976.30

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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.