Home / 81,823,039.02-122,731,568.91-24,313,815.54

Finding the Fourth Proportional to 81,823,039.02, 122,731,568.91 and 24,313,815.54

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Solution

The fourth proportional to 81,823,039.02, 122,731,568.91 and 24,313,815.54 is: 36,469,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823,039.02 : 122,731,568.91 = 24,313,815.54 : x
  2. Step 2: Convert to fraction form
    81,823,039.02/122,731,568.91 = 24,313,815.54/x
  3. Step 3: Cross multiply
    81,823,039.02x = 122,731,568.91 × 24,313,815.54
  4. Step 4: Simplify right side
    81,823,039.02x = 2,984,072,727,412,538.50
  5. Step 5: Solve for x
    x = 2,984,072,727,412,538.50/81,823,039.02
  6. Step 6: Final answer
    x = 36,469,834.94

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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.