Home / 69,530,979.60-104,296,469.40-31,193,744.40

Finding the Fourth Proportional to 69,530,979.60, 104,296,469.40 and 31,193,744.40

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Solution

The fourth proportional to 69,530,979.60, 104,296,469.40 and 31,193,744.40 is: 46,790,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,530,979.60 : 104,296,469.40 = 31,193,744.40 : x
  2. Step 2: Convert to fraction form
    69,530,979.60/104,296,469.40 = 31,193,744.40/x
  3. Step 3: Cross multiply
    69,530,979.60x = 104,296,469.40 × 31,193,744.40
  4. Step 4: Simplify right side
    69,530,979.60x = 3,253,397,408,286,021.50
  5. Step 5: Solve for x
    x = 3,253,397,408,286,021.50/69,530,979.60
  6. Step 6: Final answer
    x = 46,790,616.60

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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.