Home / 115,101,204.40-172,651,806.60-82,978,548.40

Finding the Fourth Proportional to 115,101,204.40, 172,651,806.60 and 82,978,548.40

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Solution

The fourth proportional to 115,101,204.40, 172,651,806.60 and 82,978,548.40 is: 124,467,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,101,204.40 : 172,651,806.60 = 82,978,548.40 : x
  2. Step 2: Convert to fraction form
    115,101,204.40/172,651,806.60 = 82,978,548.40/x
  3. Step 3: Cross multiply
    115,101,204.40x = 172,651,806.60 × 82,978,548.40
  4. Step 4: Simplify right side
    115,101,204.40x = 14,326,396,290,305,540
  5. Step 5: Solve for x
    x = 14,326,396,290,305,540/115,101,204.40
  6. Step 6: Final answer
    x = 124,467,822.60

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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.