Home / 217,103,836.33-325,388,954.50-100,361,278.45

Finding the Fourth Proportional to 217,103,836.33, 325,388,954.50 and 100,361,278.45

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Solution

The fourth proportional to 217,103,836.33, 325,388,954.50 and 100,361,278.45 is: 150,418,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,103,836.33 : 325,388,954.50 = 100,361,278.45 : x
  2. Step 2: Convert to fraction form
    217,103,836.33/325,388,954.50 = 100,361,278.45/x
  3. Step 3: Cross multiply
    217,103,836.33x = 325,388,954.50 × 100,361,278.45
  4. Step 4: Simplify right side
    217,103,836.33x = 32,656,451,466,064,508
  5. Step 5: Solve for x
    x = 32,656,451,466,064,508/217,103,836.33
  6. Step 6: Final answer
    x = 150,418,583.19

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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.