Home / 45,792,043.20-68,667,069.60-20,219,889.60

Finding the Fourth Proportional to 45,792,043.20, 68,667,069.60 and 20,219,889.60

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Solution

The fourth proportional to 45,792,043.20, 68,667,069.60 and 20,219,889.60 is: 30,320,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,792,043.20 : 68,667,069.60 = 20,219,889.60 : x
  2. Step 2: Convert to fraction form
    45,792,043.20/68,667,069.60 = 20,219,889.60/x
  3. Step 3: Cross multiply
    45,792,043.20x = 68,667,069.60 × 20,219,889.60
  4. Step 4: Simplify right side
    45,792,043.20x = 1,388,440,566,467,516.25
  5. Step 5: Solve for x
    x = 1,388,440,566,467,516.25/45,792,043.20
  6. Step 6: Final answer
    x = 30,320,563.78

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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.