Home / 123,906,309.57-170,991,047.92-68,157,441.13

Finding the Fourth Proportional to 123,906,309.57, 170,991,047.92 and 68,157,441.13

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Solution

The fourth proportional to 123,906,309.57, 170,991,047.92 and 68,157,441.13 is: 94,057,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,906,309.57 : 170,991,047.92 = 68,157,441.13 : x
  2. Step 2: Convert to fraction form
    123,906,309.57/170,991,047.92 = 68,157,441.13/x
  3. Step 3: Cross multiply
    123,906,309.57x = 170,991,047.92 × 68,157,441.13
  4. Step 4: Simplify right side
    123,906,309.57x = 11,654,312,282,364,408
  5. Step 5: Solve for x
    x = 11,654,312,282,364,408/123,906,309.57
  6. Step 6: Final answer
    x = 94,057,456.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.