Home / 69,475,771.20-104,214,403.67-20,954,045.45

Finding the Fourth Proportional to 69,475,771.20, 104,214,403.67 and 20,954,045.45

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Solution

The fourth proportional to 69,475,771.20, 104,214,403.67 and 20,954,045.45 is: 31,431,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,475,771.20 : 104,214,403.67 = 20,954,045.45 : x
  2. Step 2: Convert to fraction form
    69,475,771.20/104,214,403.67 = 20,954,045.45/x
  3. Step 3: Cross multiply
    69,475,771.20x = 104,214,403.67 × 20,954,045.45
  4. Step 4: Simplify right side
    69,475,771.20x = 2,183,713,350,419,984.75
  5. Step 5: Solve for x
    x = 2,183,713,350,419,984.75/69,475,771.20
  6. Step 6: Final answer
    x = 31,431,293.42

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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.