Home / 54,213,308.46-81,311,532.62-17,821,456.74

Finding the Fourth Proportional to 54,213,308.46, 81,311,532.62 and 17,821,456.74

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Solution

The fourth proportional to 54,213,308.46, 81,311,532.62 and 17,821,456.74 is: 26,729,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213,308.46 : 81,311,532.62 = 17,821,456.74 : x
  2. Step 2: Convert to fraction form
    54,213,308.46/81,311,532.62 = 17,821,456.74/x
  3. Step 3: Cross multiply
    54,213,308.46x = 81,311,532.62 × 17,821,456.74
  4. Step 4: Simplify right side
    54,213,308.46x = 1,449,089,960,961,321.25
  5. Step 5: Solve for x
    x = 1,449,089,960,961,321.25/54,213,308.46
  6. Step 6: Final answer
    x = 26,729,413.90

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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.