Home / 43,494,662.58-65,198,899.17-20,424,298.86

Finding the Fourth Proportional to 43,494,662.58, 65,198,899.17 and 20,424,298.86

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Solution

The fourth proportional to 43,494,662.58, 65,198,899.17 and 20,424,298.86 is: 30,616,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494,662.58 : 65,198,899.17 = 20,424,298.86 : x
  2. Step 2: Convert to fraction form
    43,494,662.58/65,198,899.17 = 20,424,298.86/x
  3. Step 3: Cross multiply
    43,494,662.58x = 65,198,899.17 × 20,424,298.86
  4. Step 4: Simplify right side
    43,494,662.58x = 1,331,641,801,991,086
  5. Step 5: Solve for x
    x = 1,331,641,801,991,086/43,494,662.58
  6. Step 6: Final answer
    x = 30,616,211.81

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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.