Home / 132,868,468.60-199,515,279.30-100,556,855.80

Finding the Fourth Proportional to 132,868,468.60, 199,515,279.30 and 100,556,855.80

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Solution

The fourth proportional to 132,868,468.60, 199,515,279.30 and 100,556,855.80 is: 150,996,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,468.60 : 199,515,279.30 = 100,556,855.80 : x
  2. Step 2: Convert to fraction form
    132,868,468.60/199,515,279.30 = 100,556,855.80/x
  3. Step 3: Cross multiply
    132,868,468.60x = 199,515,279.30 × 100,556,855.80
  4. Step 4: Simplify right side
    132,868,468.60x = 20,062,629,170,466,824
  5. Step 5: Solve for x
    x = 20,062,629,170,466,824/132,868,468.60
  6. Step 6: Final answer
    x = 150,996,164.72

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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.