Home / 41,131,136.80-61,696,705.20-20,975,744.80

Finding the Fourth Proportional to 41,131,136.80, 61,696,705.20 and 20,975,744.80

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Solution

The fourth proportional to 41,131,136.80, 61,696,705.20 and 20,975,744.80 is: 31,463,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131,136.80 : 61,696,705.20 = 20,975,744.80 : x
  2. Step 2: Convert to fraction form
    41,131,136.80/61,696,705.20 = 20,975,744.80/x
  3. Step 3: Cross multiply
    41,131,136.80x = 61,696,705.20 × 20,975,744.80
  4. Step 4: Simplify right side
    41,131,136.80x = 1,294,134,343,276,033
  5. Step 5: Solve for x
    x = 1,294,134,343,276,033/41,131,136.80
  6. Step 6: Final answer
    x = 31,463,617.20

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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.