Home / 645,412,418.25-968,122,170.32-160,738,226.25

Finding the Fourth Proportional to 645,412,418.25, 968,122,170.32 and 160,738,226.25

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Solution

The fourth proportional to 645,412,418.25, 968,122,170.32 and 160,738,226.25 is: 241,108,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,412,418.25 : 968,122,170.32 = 160,738,226.25 : x
  2. Step 2: Convert to fraction form
    645,412,418.25/968,122,170.32 = 160,738,226.25/x
  3. Step 3: Cross multiply
    645,412,418.25x = 968,122,170.32 × 160,738,226.25
  4. Step 4: Simplify right side
    645,412,418.25x = 155,614,240,449,733,504
  5. Step 5: Solve for x
    x = 155,614,240,449,733,504/645,412,418.25
  6. Step 6: Final answer
    x = 241,108,221.73

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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.