Home / 112,286,920.38-154,947,301.80-63,399,173.82

Finding the Fourth Proportional to 112,286,920.38, 154,947,301.80 and 63,399,173.82

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Solution

The fourth proportional to 112,286,920.38, 154,947,301.80 and 63,399,173.82 is: 87,485,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,286,920.38 : 154,947,301.80 = 63,399,173.82 : x
  2. Step 2: Convert to fraction form
    112,286,920.38/154,947,301.80 = 63,399,173.82/x
  3. Step 3: Cross multiply
    112,286,920.38x = 154,947,301.80 × 63,399,173.82
  4. Step 4: Simplify right side
    112,286,920.38x = 9,823,530,919,758,200
  5. Step 5: Solve for x
    x = 9,823,530,919,758,200/112,286,920.38
  6. Step 6: Final answer
    x = 87,485,976.88

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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.