Home / 158,135,150.04-218,073,197.44-123,315,135.72

Finding the Fourth Proportional to 158,135,150.04, 218,073,197.44 and 123,315,135.72

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Solution

The fourth proportional to 158,135,150.04, 218,073,197.44 and 123,315,135.72 is: 170,055,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135,150.04 : 218,073,197.44 = 123,315,135.72 : x
  2. Step 2: Convert to fraction form
    158,135,150.04/218,073,197.44 = 123,315,135.72/x
  3. Step 3: Cross multiply
    158,135,150.04x = 218,073,197.44 × 123,315,135.72
  4. Step 4: Simplify right side
    158,135,150.04x = 26,891,725,939,207,956
  5. Step 5: Solve for x
    x = 26,891,725,939,207,956/158,135,150.04
  6. Step 6: Final answer
    x = 170,055,335.15

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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.