Home / 43,494,662.72-65,198,899.38-20,424,299.02

Finding the Fourth Proportional to 43,494,662.72, 65,198,899.38 and 20,424,299.02

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Solution

The fourth proportional to 43,494,662.72, 65,198,899.38 and 20,424,299.02 is: 30,616,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494,662.72 : 65,198,899.38 = 20,424,299.02 : x
  2. Step 2: Convert to fraction form
    43,494,662.72/65,198,899.38 = 20,424,299.02/x
  3. Step 3: Cross multiply
    43,494,662.72x = 65,198,899.38 × 20,424,299.02
  4. Step 4: Simplify right side
    43,494,662.72x = 1,331,641,816,712,012.75
  5. Step 5: Solve for x
    x = 1,331,641,816,712,012.75/43,494,662.72
  6. Step 6: Final answer
    x = 30,616,212.05

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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.