Home / 146,619,418.78-219,976,901.97-69,932,467.90

Finding the Fourth Proportional to 146,619,418.78, 219,976,901.97 and 69,932,467.90

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Solution

The fourth proportional to 146,619,418.78, 219,976,901.97 and 69,932,467.90 is: 104,921,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,619,418.78 : 219,976,901.97 = 69,932,467.90 : x
  2. Step 2: Convert to fraction form
    146,619,418.78/219,976,901.97 = 69,932,467.90/x
  3. Step 3: Cross multiply
    146,619,418.78x = 219,976,901.97 × 69,932,467.90
  4. Step 4: Simplify right side
    146,619,418.78x = 15,383,527,635,758,472
  5. Step 5: Solve for x
    x = 15,383,527,635,758,472/146,619,418.78
  6. Step 6: Final answer
    x = 104,921,488.33

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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.