Home / 54,171,012.54-81,239,449.93-17,770,920.78

Finding the Fourth Proportional to 54,171,012.54, 81,239,449.93 and 17,770,920.78

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Solution

The fourth proportional to 54,171,012.54, 81,239,449.93 and 17,770,920.78 is: 26,650,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171,012.54 : 81,239,449.93 = 17,770,920.78 : x
  2. Step 2: Convert to fraction form
    54,171,012.54/81,239,449.93 = 17,770,920.78/x
  3. Step 3: Cross multiply
    54,171,012.54x = 81,239,449.93 × 17,770,920.78
  4. Step 4: Simplify right side
    54,171,012.54x = 1,443,699,828,916,806.75
  5. Step 5: Solve for x
    x = 1,443,699,828,916,806.75/54,171,012.54
  6. Step 6: Final answer
    x = 26,650,781.69

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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.