Home / 158,135,164.08-218,073,216.78-123,315,149.76

Finding the Fourth Proportional to 158,135,164.08, 218,073,216.78 and 123,315,149.76

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Solution

The fourth proportional to 158,135,164.08, 218,073,216.78 and 123,315,149.76 is: 170,055,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135,164.08 : 218,073,216.78 = 123,315,149.76 : x
  2. Step 2: Convert to fraction form
    158,135,164.08/218,073,216.78 = 123,315,149.76/x
  3. Step 3: Cross multiply
    158,135,164.08x = 218,073,216.78 × 123,315,149.76
  4. Step 4: Simplify right side
    158,135,164.08x = 26,891,731,385,870,648
  5. Step 5: Solve for x
    x = 26,891,731,385,870,648/158,135,164.08
  6. Step 6: Final answer
    x = 170,055,354.50

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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.