Home / 69,895,605.12-104,836,321.68-18,770,980.92

Finding the Fourth Proportional to 69,895,605.12, 104,836,321.68 and 18,770,980.92

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Solution

The fourth proportional to 69,895,605.12, 104,836,321.68 and 18,770,980.92 is: 28,154,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,895,605.12 : 104,836,321.68 = 18,770,980.92 : x
  2. Step 2: Convert to fraction form
    69,895,605.12/104,836,321.68 = 18,770,980.92/x
  3. Step 3: Cross multiply
    69,895,605.12x = 104,836,321.68 × 18,770,980.92
  4. Step 4: Simplify right side
    69,895,605.12x = 1,967,880,593,978,262.75
  5. Step 5: Solve for x
    x = 1,967,880,593,978,262.75/69,895,605.12
  6. Step 6: Final answer
    x = 28,154,568.38

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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.