Home / 238,494,924.45-329,373,912.13-212,496,996.81

Finding the Fourth Proportional to 238,494,924.45, 329,373,912.13 and 212,496,996.81

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Solution

The fourth proportional to 238,494,924.45, 329,373,912.13 and 212,496,996.81 is: 293,469,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,494,924.45 : 329,373,912.13 = 212,496,996.81 : x
  2. Step 2: Convert to fraction form
    238,494,924.45/329,373,912.13 = 212,496,996.81/x
  3. Step 3: Cross multiply
    238,494,924.45x = 329,373,912.13 × 212,496,996.81
  4. Step 4: Simplify right side
    238,494,924.45x = 69,990,967,155,889,736
  5. Step 5: Solve for x
    x = 69,990,967,155,889,736/238,494,924.45
  6. Step 6: Final answer
    x = 293,469,420.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.