Home / 158,005,786.08-218,048,304.87-88,392,329.49

Finding the Fourth Proportional to 158,005,786.08, 218,048,304.87 and 88,392,329.49

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Solution

The fourth proportional to 158,005,786.08, 218,048,304.87 and 88,392,329.49 is: 121,981,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,786.08 : 218,048,304.87 = 88,392,329.49 : x
  2. Step 2: Convert to fraction form
    158,005,786.08/218,048,304.87 = 88,392,329.49/x
  3. Step 3: Cross multiply
    158,005,786.08x = 218,048,304.87 × 88,392,329.49
  4. Step 4: Simplify right side
    158,005,786.08x = 19,273,797,608,805,012
  5. Step 5: Solve for x
    x = 19,273,797,608,805,012/158,005,786.08
  6. Step 6: Final answer
    x = 121,981,593.76

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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.