Home / 75,542,987.60-113,314,481.40-69,244,427.60

Finding the Fourth Proportional to 75,542,987.60, 113,314,481.40 and 69,244,427.60

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Solution

The fourth proportional to 75,542,987.60, 113,314,481.40 and 69,244,427.60 is: 103,866,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,542,987.60 : 113,314,481.40 = 69,244,427.60 : x
  2. Step 2: Convert to fraction form
    75,542,987.60/113,314,481.40 = 69,244,427.60/x
  3. Step 3: Cross multiply
    75,542,987.60x = 113,314,481.40 × 69,244,427.60
  4. Step 4: Simplify right side
    75,542,987.60x = 7,846,396,403,333,846
  5. Step 5: Solve for x
    x = 7,846,396,403,333,846/75,542,987.60
  6. Step 6: Final answer
    x = 103,866,641.40

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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.