Home / 54,319,296.60-81,450,951.30-20,223,091.80

Finding the Fourth Proportional to 54,319,296.60, 81,450,951.30 and 20,223,091.80

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Solution

The fourth proportional to 54,319,296.60, 81,450,951.30 and 20,223,091.80 is: 30,324,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319,296.60 : 81,450,951.30 = 20,223,091.80 : x
  2. Step 2: Convert to fraction form
    54,319,296.60/81,450,951.30 = 20,223,091.80/x
  3. Step 3: Cross multiply
    54,319,296.60x = 81,450,951.30 × 20,223,091.80
  4. Step 4: Simplify right side
    54,319,296.60x = 1,647,190,065,337,229.25
  5. Step 5: Solve for x
    x = 1,647,190,065,337,229.25/54,319,296.60
  6. Step 6: Final answer
    x = 30,324,215.67

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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.