Home / 201,204,132.60-301,806,198.90-71,815,963.80

Finding the Fourth Proportional to 201,204,132.60, 301,806,198.90 and 71,815,963.80

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Solution

The fourth proportional to 201,204,132.60, 301,806,198.90 and 71,815,963.80 is: 107,723,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,132.60 : 301,806,198.90 = 71,815,963.80 : x
  2. Step 2: Convert to fraction form
    201,204,132.60/301,806,198.90 = 71,815,963.80/x
  3. Step 3: Cross multiply
    201,204,132.60x = 301,806,198.90 × 71,815,963.80
  4. Step 4: Simplify right side
    201,204,132.60x = 21,674,503,054,817,996
  5. Step 5: Solve for x
    x = 21,674,503,054,817,996/201,204,132.60
  6. Step 6: Final answer
    x = 107,723,945.70

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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.