Home / 158,135,168.84-218,073,223.42-123,315,154.52

Finding the Fourth Proportional to 158,135,168.84, 218,073,223.42 and 123,315,154.52

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Solution

The fourth proportional to 158,135,168.84, 218,073,223.42 and 123,315,154.52 is: 170,055,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135,168.84 : 218,073,223.42 = 123,315,154.52 : x
  2. Step 2: Convert to fraction form
    158,135,168.84/218,073,223.42 = 123,315,154.52/x
  3. Step 3: Cross multiply
    158,135,168.84x = 218,073,223.42 × 123,315,154.52
  4. Step 4: Simplify right side
    158,135,168.84x = 26,891,733,241,313,128
  5. Step 5: Solve for x
    x = 26,891,733,241,313,128/158,135,168.84
  6. Step 6: Final answer
    x = 170,055,361.12

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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.