Home / 43,494,668.72-65,198,908.38-20,424,305.02

Finding the Fourth Proportional to 43,494,668.72, 65,198,908.38 and 20,424,305.02

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Solution

The fourth proportional to 43,494,668.72, 65,198,908.38 and 20,424,305.02 is: 30,616,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494,668.72 : 65,198,908.38 = 20,424,305.02 : x
  2. Step 2: Convert to fraction form
    43,494,668.72/65,198,908.38 = 20,424,305.02/x
  3. Step 3: Cross multiply
    43,494,668.72x = 65,198,908.38 × 20,424,305.02
  4. Step 4: Simplify right side
    43,494,668.72x = 1,331,642,391,724,154
  5. Step 5: Solve for x
    x = 1,331,642,391,724,154/43,494,668.72
  6. Step 6: Final answer
    x = 30,616,221.04

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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.