Home / 132,855,015.20-199,263,860.40-41,987,789.60

Finding the Fourth Proportional to 132,855,015.20, 199,263,860.40 and 41,987,789.60

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Solution

The fourth proportional to 132,855,015.20, 199,263,860.40 and 41,987,789.60 is: 62,975,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855,015.20 : 199,263,860.40 = 41,987,789.60 : x
  2. Step 2: Convert to fraction form
    132,855,015.20/199,263,860.40 = 41,987,789.60/x
  3. Step 3: Cross multiply
    132,855,015.20x = 199,263,860.40 × 41,987,789.60
  4. Step 4: Simplify right side
    132,855,015.20x = 8,366,649,045,358,972
  5. Step 5: Solve for x
    x = 8,366,649,045,358,972/132,855,015.20
  6. Step 6: Final answer
    x = 62,975,786.29

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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.