Home / 54,404,987.90-81,607,481.85-51,287,200.70

Finding the Fourth Proportional to 54,404,987.90, 81,607,481.85 and 51,287,200.70

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Solution

The fourth proportional to 54,404,987.90, 81,607,481.85 and 51,287,200.70 is: 76,930,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,987.90 : 81,607,481.85 = 51,287,200.70 : x
  2. Step 2: Convert to fraction form
    54,404,987.90/81,607,481.85 = 51,287,200.70/x
  3. Step 3: Cross multiply
    54,404,987.90x = 81,607,481.85 × 51,287,200.70
  4. Step 4: Simplify right side
    54,404,987.90x = 4,185,419,300,262,557
  5. Step 5: Solve for x
    x = 4,185,419,300,262,557/54,404,987.90
  6. Step 6: Final answer
    x = 76,930,801.05

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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.