Home / 71,928,082.60-107,892,123.90-41,191,109.80

Finding the Fourth Proportional to 71,928,082.60, 107,892,123.90 and 41,191,109.80

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Solution

The fourth proportional to 71,928,082.60, 107,892,123.90 and 41,191,109.80 is: 61,786,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928,082.60 : 107,892,123.90 = 41,191,109.80 : x
  2. Step 2: Convert to fraction form
    71,928,082.60/107,892,123.90 = 41,191,109.80/x
  3. Step 3: Cross multiply
    71,928,082.60x = 107,892,123.90 × 41,191,109.80
  4. Step 4: Simplify right side
    71,928,082.60x = 4,444,196,322,120,104
  5. Step 5: Solve for x
    x = 4,444,196,322,120,104/71,928,082.60
  6. Step 6: Final answer
    x = 61,786,664.70

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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.