Home / 285,985,448.39-394,648,296.72-162,223,468.31

Finding the Fourth Proportional to 285,985,448.39, 394,648,296.72 and 162,223,468.31

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Solution

The fourth proportional to 285,985,448.39, 394,648,296.72 and 162,223,468.31 is: 223,861,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,985,448.39 : 394,648,296.72 = 162,223,468.31 : x
  2. Step 2: Convert to fraction form
    285,985,448.39/394,648,296.72 = 162,223,468.31/x
  3. Step 3: Cross multiply
    285,985,448.39x = 394,648,296.72 × 162,223,468.31
  4. Step 4: Simplify right side
    285,985,448.39x = 64,021,215,456,552,400
  5. Step 5: Solve for x
    x = 64,021,215,456,552,400/285,985,448.39
  6. Step 6: Final answer
    x = 223,861,793.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.