Home / 54,268,940.80-81,403,411.20-52,696,076.80

Finding the Fourth Proportional to 54,268,940.80, 81,403,411.20 and 52,696,076.80

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Solution

The fourth proportional to 54,268,940.80, 81,403,411.20 and 52,696,076.80 is: 79,044,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268,940.80 : 81,403,411.20 = 52,696,076.80 : x
  2. Step 2: Convert to fraction form
    54,268,940.80/81,403,411.20 = 52,696,076.80/x
  3. Step 3: Cross multiply
    54,268,940.80x = 81,403,411.20 × 52,696,076.80
  4. Step 4: Simplify right side
    54,268,940.80x = 4,289,640,408,377,180
  5. Step 5: Solve for x
    x = 4,289,640,408,377,180/54,268,940.80
  6. Step 6: Final answer
    x = 79,044,115.20

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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.