Home / 41,131,190.80-61,696,786.20-20,975,798.80

Finding the Fourth Proportional to 41,131,190.80, 61,696,786.20 and 20,975,798.80

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Solution

The fourth proportional to 41,131,190.80, 61,696,786.20 and 20,975,798.80 is: 31,463,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131,190.80 : 61,696,786.20 = 20,975,798.80 : x
  2. Step 2: Convert to fraction form
    41,131,190.80/61,696,786.20 = 20,975,798.80/x
  3. Step 3: Cross multiply
    41,131,190.80x = 61,696,786.20 × 20,975,798.80
  4. Step 4: Simplify right side
    41,131,190.80x = 1,294,139,373,937,816.75
  5. Step 5: Solve for x
    x = 1,294,139,373,937,816.75/41,131,190.80
  6. Step 6: Final answer
    x = 31,463,698.20

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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.