Home / 221,454,007.05-332,181,010.58-68,080,134.45

Finding the Fourth Proportional to 221,454,007.05, 332,181,010.58 and 68,080,134.45

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Solution

The fourth proportional to 221,454,007.05, 332,181,010.58 and 68,080,134.45 is: 102,120,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,454,007.05 : 332,181,010.58 = 68,080,134.45 : x
  2. Step 2: Convert to fraction form
    221,454,007.05/332,181,010.58 = 68,080,134.45/x
  3. Step 3: Cross multiply
    221,454,007.05x = 332,181,010.58 × 68,080,134.45
  4. Step 4: Simplify right side
    221,454,007.05x = 22,614,927,861,682,872
  5. Step 5: Solve for x
    x = 22,614,927,861,682,872/221,454,007.05
  6. Step 6: Final answer
    x = 102,120,201.68

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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.