Home / 41,131,204.30-61,696,806.45-20,975,812.30

Finding the Fourth Proportional to 41,131,204.30, 61,696,806.45 and 20,975,812.30

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Solution

The fourth proportional to 41,131,204.30, 61,696,806.45 and 20,975,812.30 is: 31,463,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131,204.30 : 61,696,806.45 = 20,975,812.30 : x
  2. Step 2: Convert to fraction form
    41,131,204.30/61,696,806.45 = 20,975,812.30/x
  3. Step 3: Cross multiply
    41,131,204.30x = 61,696,806.45 × 20,975,812.30
  4. Step 4: Simplify right side
    41,131,204.30x = 1,294,140,631,604,629.50
  5. Step 5: Solve for x
    x = 1,294,140,631,604,629.50/41,131,204.30
  6. Step 6: Final answer
    x = 31,463,718.45

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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.