Home / 68,464,564.24-102,701,571.96-19,942,821.52

Finding the Fourth Proportional to 68,464,564.24, 102,701,571.96 and 19,942,821.52

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Solution

The fourth proportional to 68,464,564.24, 102,701,571.96 and 19,942,821.52 is: 29,915,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,464,564.24 : 102,701,571.96 = 19,942,821.52 : x
  2. Step 2: Convert to fraction form
    68,464,564.24/102,701,571.96 = 19,942,821.52/x
  3. Step 3: Cross multiply
    68,464,564.24x = 102,701,571.96 × 19,942,821.52
  4. Step 4: Simplify right side
    68,464,564.24x = 2,048,159,119,421,716.50
  5. Step 5: Solve for x
    x = 2,048,159,119,421,716.50/68,464,564.24
  6. Step 6: Final answer
    x = 29,915,608.78

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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.