Home / 159,109,169.82-219,568,449.03-89,494,597.74

Finding the Fourth Proportional to 159,109,169.82, 219,568,449.03 and 89,494,597.74

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Solution

The fourth proportional to 159,109,169.82, 219,568,449.03 and 89,494,597.74 is: 123,501,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,109,169.82 : 219,568,449.03 = 89,494,597.74 : x
  2. Step 2: Convert to fraction form
    159,109,169.82/219,568,449.03 = 89,494,597.74/x
  3. Step 3: Cross multiply
    159,109,169.82x = 219,568,449.03 × 89,494,597.74
  4. Step 4: Simplify right side
    159,109,169.82x = 19,650,190,022,335,544
  5. Step 5: Solve for x
    x = 19,650,190,022,335,544/159,109,169.82
  6. Step 6: Final answer
    x = 123,501,304.45

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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.