Home / 171,338,618.94-256,789,578.33-80,261,441.34

Finding the Fourth Proportional to 171,338,618.94, 256,789,578.33 and 80,261,441.34

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Solution

The fourth proportional to 171,338,618.94, 256,789,578.33 and 80,261,441.34 is: 120,289,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,338,618.94 : 256,789,578.33 = 80,261,441.34 : x
  2. Step 2: Convert to fraction form
    171,338,618.94/256,789,578.33 = 80,261,441.34/x
  3. Step 3: Cross multiply
    171,338,618.94x = 256,789,578.33 × 80,261,441.34
  4. Step 4: Simplify right side
    171,338,618.94x = 20,610,301,677,856,632
  5. Step 5: Solve for x
    x = 20,610,301,677,856,632/171,338,618.94
  6. Step 6: Final answer
    x = 120,289,878.64

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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.