Home / 111,101,556.33-166,660,306.11-38,317,266.72

Finding the Fourth Proportional to 111,101,556.33, 166,660,306.11 and 38,317,266.72

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Solution

The fourth proportional to 111,101,556.33, 166,660,306.11 and 38,317,266.72 is: 57,478,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,101,556.33 : 166,660,306.11 = 38,317,266.72 : x
  2. Step 2: Convert to fraction form
    111,101,556.33/166,660,306.11 = 38,317,266.72/x
  3. Step 3: Cross multiply
    111,101,556.33x = 166,660,306.11 × 38,317,266.72
  4. Step 4: Simplify right side
    111,101,556.33x = 6,385,967,400,853,716
  5. Step 5: Solve for x
    x = 6,385,967,400,853,716/111,101,556.33
  6. Step 6: Final answer
    x = 57,478,649.37

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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.