Home / 219,351,265.60-327,065,840.13-213,324,724.68

Finding the Fourth Proportional to 219,351,265.60, 327,065,840.13 and 213,324,724.68

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Solution

The fourth proportional to 219,351,265.60, 327,065,840.13 and 213,324,724.68 is: 318,079,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,351,265.60 : 327,065,840.13 = 213,324,724.68 : x
  2. Step 2: Convert to fraction form
    219,351,265.60/327,065,840.13 = 213,324,724.68/x
  3. Step 3: Cross multiply
    219,351,265.60x = 327,065,840.13 × 213,324,724.68
  4. Step 4: Simplify right side
    219,351,265.60x = 69,771,230,297,965,144
  5. Step 5: Solve for x
    x = 69,771,230,297,965,144/219,351,265.60
  6. Step 6: Final answer
    x = 318,079,907.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.