Home / 55,487,996.80-83,231,995.20-40,270,537.60

Finding the Fourth Proportional to 55,487,996.80, 83,231,995.20 and 40,270,537.60

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Solution

The fourth proportional to 55,487,996.80, 83,231,995.20 and 40,270,537.60 is: 60,405,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487,996.80 : 83,231,995.20 = 40,270,537.60 : x
  2. Step 2: Convert to fraction form
    55,487,996.80/83,231,995.20 = 40,270,537.60/x
  3. Step 3: Cross multiply
    55,487,996.80x = 83,231,995.20 × 40,270,537.60
  4. Step 4: Simplify right side
    55,487,996.80x = 3,351,797,192,224,620
  5. Step 5: Solve for x
    x = 3,351,797,192,224,620/55,487,996.80
  6. Step 6: Final answer
    x = 60,405,806.40

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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.