Home / 54,512,786.59-81,805,542.84-28,275,803.21

Finding the Fourth Proportional to 54,512,786.59, 81,805,542.84 and 28,275,803.21

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Solution

The fourth proportional to 54,512,786.59, 81,805,542.84 and 28,275,803.21 is: 42,432,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,512,786.59 : 81,805,542.84 = 28,275,803.21 : x
  2. Step 2: Convert to fraction form
    54,512,786.59/81,805,542.84 = 28,275,803.21/x
  3. Step 3: Cross multiply
    54,512,786.59x = 81,805,542.84 × 28,275,803.21
  4. Step 4: Simplify right side
    54,512,786.59x = 2,313,117,431,035,578.50
  5. Step 5: Solve for x
    x = 2,313,117,431,035,578.50/54,512,786.59
  6. Step 6: Final answer
    x = 42,432,566.30

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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.