Home / 211,072,571-291,273,105.84-116,982,708.56

Finding the Fourth Proportional to 211,072,571, 291,273,105.84 and 116,982,708.56

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Solution

The fourth proportional to 211,072,571, 291,273,105.84 and 116,982,708.56 is: 161,432,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,072,571 : 291,273,105.84 = 116,982,708.56 : x
  2. Step 2: Convert to fraction form
    211,072,571/291,273,105.84 = 116,982,708.56/x
  3. Step 3: Cross multiply
    211,072,571x = 291,273,105.84 × 116,982,708.56
  4. Step 4: Simplify right side
    211,072,571x = 34,073,916,851,846,752
  5. Step 5: Solve for x
    x = 34,073,916,851,846,752/211,072,571
  6. Step 6: Final answer
    x = 161,432,234.85

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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.