Home / 158,135,261.80-218,073,351.24-123,315,247.48

Finding the Fourth Proportional to 158,135,261.80, 218,073,351.24 and 123,315,247.48

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Solution

The fourth proportional to 158,135,261.80, 218,073,351.24 and 123,315,247.48 is: 170,055,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135,261.80 : 218,073,351.24 = 123,315,247.48 : x
  2. Step 2: Convert to fraction form
    158,135,261.80/218,073,351.24 = 123,315,247.48/x
  3. Step 3: Cross multiply
    158,135,261.80x = 218,073,351.24 × 123,315,247.48
  4. Step 4: Simplify right side
    158,135,261.80x = 26,891,769,276,953,568
  5. Step 5: Solve for x
    x = 26,891,769,276,953,568/158,135,261.80
  6. Step 6: Final answer
    x = 170,055,489.02

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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.