Home / 262,203,553.80-393,163,613.10-108,865,110.60

Finding the Fourth Proportional to 262,203,553.80, 393,163,613.10 and 108,865,110.60

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Solution

The fourth proportional to 262,203,553.80, 393,163,613.10 and 108,865,110.60 is: 163,238,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,203,553.80 : 393,163,613.10 = 108,865,110.60 : x
  2. Step 2: Convert to fraction form
    262,203,553.80/393,163,613.10 = 108,865,110.60/x
  3. Step 3: Cross multiply
    262,203,553.80x = 393,163,613.10 × 108,865,110.60
  4. Step 4: Simplify right side
    262,203,553.80x = 42,801,800,224,027,112
  5. Step 5: Solve for x
    x = 42,801,800,224,027,112/262,203,553.80
  6. Step 6: Final answer
    x = 163,238,825.73

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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.