Home / 77,691,736.20-116,537,604.30-74,374,494.60

Finding the Fourth Proportional to 77,691,736.20, 116,537,604.30 and 74,374,494.60

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Solution

The fourth proportional to 77,691,736.20, 116,537,604.30 and 74,374,494.60 is: 111,561,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,691,736.20 : 116,537,604.30 = 74,374,494.60 : x
  2. Step 2: Convert to fraction form
    77,691,736.20/116,537,604.30 = 74,374,494.60/x
  3. Step 3: Cross multiply
    77,691,736.20x = 116,537,604.30 × 74,374,494.60
  4. Step 4: Simplify right side
    77,691,736.20x = 8,667,425,421,707,286
  5. Step 5: Solve for x
    x = 8,667,425,421,707,286/77,691,736.20
  6. Step 6: Final answer
    x = 111,561,741.90

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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.