Home / 215,394,429.60-323,093,487.60-71,787,261.60

Finding the Fourth Proportional to 215,394,429.60, 323,093,487.60 and 71,787,261.60

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Solution

The fourth proportional to 215,394,429.60, 323,093,487.60 and 71,787,261.60 is: 107,681,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,394,429.60 : 323,093,487.60 = 71,787,261.60 : x
  2. Step 2: Convert to fraction form
    215,394,429.60/323,093,487.60 = 71,787,261.60/x
  3. Step 3: Cross multiply
    215,394,429.60x = 323,093,487.60 × 71,787,261.60
  4. Step 4: Simplify right side
    215,394,429.60x = 23,193,996,715,597,556
  5. Step 5: Solve for x
    x = 23,193,996,715,597,556/215,394,429.60
  6. Step 6: Final answer
    x = 107,681,506.71

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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.