Home / 158,135,163.08-218,073,215.40-123,315,148.76

Finding the Fourth Proportional to 158,135,163.08, 218,073,215.40 and 123,315,148.76

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Solution

The fourth proportional to 158,135,163.08, 218,073,215.40 and 123,315,148.76 is: 170,055,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135,163.08 : 218,073,215.40 = 123,315,148.76 : x
  2. Step 2: Convert to fraction form
    158,135,163.08/218,073,215.40 = 123,315,148.76/x
  3. Step 3: Cross multiply
    158,135,163.08x = 218,073,215.40 × 123,315,148.76
  4. Step 4: Simplify right side
    158,135,163.08x = 26,891,730,997,622,524
  5. Step 5: Solve for x
    x = 26,891,730,997,622,524/158,135,163.08
  6. Step 6: Final answer
    x = 170,055,353.12

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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.