Home / 69,545,288.20-104,313,266.70-18,426,209.80

Finding the Fourth Proportional to 69,545,288.20, 104,313,266.70 and 18,426,209.80

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Solution

The fourth proportional to 69,545,288.20, 104,313,266.70 and 18,426,209.80 is: 27,638,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545,288.20 : 104,313,266.70 = 18,426,209.80 : x
  2. Step 2: Convert to fraction form
    69,545,288.20/104,313,266.70 = 18,426,209.80/x
  3. Step 3: Cross multiply
    69,545,288.20x = 104,313,266.70 × 18,426,209.80
  4. Step 4: Simplify right side
    69,545,288.20x = 1,922,098,137,137,553.75
  5. Step 5: Solve for x
    x = 1,922,098,137,137,553.75/69,545,288.20
  6. Step 6: Final answer
    x = 27,638,078.54

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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.