Home / 54,384,220.80-81,576,331.20-40,947,292.80

Finding the Fourth Proportional to 54,384,220.80, 81,576,331.20 and 40,947,292.80

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Solution

The fourth proportional to 54,384,220.80, 81,576,331.20 and 40,947,292.80 is: 61,420,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384,220.80 : 81,576,331.20 = 40,947,292.80 : x
  2. Step 2: Convert to fraction form
    54,384,220.80/81,576,331.20 = 40,947,292.80/x
  3. Step 3: Cross multiply
    54,384,220.80x = 81,576,331.20 × 40,947,292.80
  4. Step 4: Simplify right side
    54,384,220.80x = 3,340,329,919,196,175
  5. Step 5: Solve for x
    x = 3,340,329,919,196,175/54,384,220.80
  6. Step 6: Final answer
    x = 61,420,939.20

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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.