Home / 69,783,115.71-104,690,285.33-21,264,766.73

Finding the Fourth Proportional to 69,783,115.71, 104,690,285.33 and 21,264,766.73

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Solution

The fourth proportional to 69,783,115.71, 104,690,285.33 and 21,264,766.73 is: 31,901,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,115.71 : 104,690,285.33 = 21,264,766.73 : x
  2. Step 2: Convert to fraction form
    69,783,115.71/104,690,285.33 = 21,264,766.73/x
  3. Step 3: Cross multiply
    69,783,115.71x = 104,690,285.33 × 21,264,766.73
  4. Step 4: Simplify right side
    69,783,115.71x = 2,226,214,496,439,591
  5. Step 5: Solve for x
    x = 2,226,214,496,439,591/69,783,115.71
  6. Step 6: Final answer
    x = 31,901,907.41

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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.