Home / 323,795,919.11-485,727,902.91-105,463,262.21

Finding the Fourth Proportional to 323,795,919.11, 485,727,902.91 and 105,463,262.21

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Solution

The fourth proportional to 323,795,919.11, 485,727,902.91 and 105,463,262.21 is: 158,205,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,795,919.11 : 485,727,902.91 = 105,463,262.21 : x
  2. Step 2: Convert to fraction form
    323,795,919.11/485,727,902.91 = 105,463,262.21/x
  3. Step 3: Cross multiply
    323,795,919.11x = 485,727,902.91 × 105,463,262.21
  4. Step 4: Simplify right side
    323,795,919.11x = 51,226,449,184,882,112
  5. Step 5: Solve for x
    x = 51,226,449,184,882,112/323,795,919.11
  6. Step 6: Final answer
    x = 158,205,975.31

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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.