Home / 54,319,281.10-81,450,928.05-20,223,076.30

Finding the Fourth Proportional to 54,319,281.10, 81,450,928.05 and 20,223,076.30

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Solution

The fourth proportional to 54,319,281.10, 81,450,928.05 and 20,223,076.30 is: 30,324,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319,281.10 : 81,450,928.05 = 20,223,076.30 : x
  2. Step 2: Convert to fraction form
    54,319,281.10/81,450,928.05 = 20,223,076.30/x
  3. Step 3: Cross multiply
    54,319,281.10x = 81,450,928.05 × 20,223,076.30
  4. Step 4: Simplify right side
    54,319,281.10x = 1,647,188,332,660,960.25
  5. Step 5: Solve for x
    x = 1,647,188,332,660,960.25/54,319,281.10
  6. Step 6: Final answer
    x = 30,324,192.43

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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.