Home / 111,322,063.14-166,988,343.51-91,855,182.48

Finding the Fourth Proportional to 111,322,063.14, 166,988,343.51 and 91,855,182.48

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Solution

The fourth proportional to 111,322,063.14, 166,988,343.51 and 91,855,182.48 is: 137,787,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,322,063.14 : 166,988,343.51 = 91,855,182.48 : x
  2. Step 2: Convert to fraction form
    111,322,063.14/166,988,343.51 = 91,855,182.48/x
  3. Step 3: Cross multiply
    111,322,063.14x = 166,988,343.51 × 91,855,182.48
  4. Step 4: Simplify right side
    111,322,063.14x = 15,338,744,765,143,974
  5. Step 5: Solve for x
    x = 15,338,744,765,143,974/111,322,063.14
  6. Step 6: Final answer
    x = 137,787,104.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.