Home / 111,978,993-168,034,624.38-47,278,610.04

Finding the Fourth Proportional to 111,978,993, 168,034,624.38 and 47,278,610.04

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Solution

The fourth proportional to 111,978,993, 168,034,624.38 and 47,278,610.04 is: 70,945,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,978,993 : 168,034,624.38 = 47,278,610.04 : x
  2. Step 2: Convert to fraction form
    111,978,993/168,034,624.38 = 47,278,610.04/x
  3. Step 3: Cross multiply
    111,978,993x = 168,034,624.38 × 47,278,610.04
  4. Step 4: Simplify right side
    111,978,993x = 7,944,443,479,279,896
  5. Step 5: Solve for x
    x = 7,944,443,479,279,896/111,978,993
  6. Step 6: Final answer
    x = 70,945,837.84

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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.