Home / 69,372,029.84-104,062,832.77-20,188,289.89

Finding the Fourth Proportional to 69,372,029.84, 104,062,832.77 and 20,188,289.89

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Solution

The fourth proportional to 69,372,029.84, 104,062,832.77 and 20,188,289.89 is: 30,283,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,372,029.84 : 104,062,832.77 = 20,188,289.89 : x
  2. Step 2: Convert to fraction form
    69,372,029.84/104,062,832.77 = 20,188,289.89/x
  3. Step 3: Cross multiply
    69,372,029.84x = 104,062,832.77 × 20,188,289.89
  4. Step 4: Simplify right side
    69,372,029.84x = 2,100,850,634,424,723.75
  5. Step 5: Solve for x
    x = 2,100,850,634,424,723.75/69,372,029.84
  6. Step 6: Final answer
    x = 30,283,828.21

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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.