Home / 119,555,145.40-164,981,003.09-66,629,036.79

Finding the Fourth Proportional to 119,555,145.40, 164,981,003.09 and 66,629,036.79

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Solution

The fourth proportional to 119,555,145.40, 164,981,003.09 and 66,629,036.79 is: 91,945,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555,145.40 : 164,981,003.09 = 66,629,036.79 : x
  2. Step 2: Convert to fraction form
    119,555,145.40/164,981,003.09 = 66,629,036.79/x
  3. Step 3: Cross multiply
    119,555,145.40x = 164,981,003.09 × 66,629,036.79
  4. Step 4: Simplify right side
    119,555,145.40x = 10,992,525,324,534,714
  5. Step 5: Solve for x
    x = 10,992,525,324,534,714/119,555,145.40
  6. Step 6: Final answer
    x = 91,945,229.86

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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.