Home / 288,188,237.52-397,692,396-161,029,933.92

Finding the Fourth Proportional to 288,188,237.52, 397,692,396 and 161,029,933.92

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Solution

The fourth proportional to 288,188,237.52, 397,692,396 and 161,029,933.92 is: 222,217,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,188,237.52 : 397,692,396 = 161,029,933.92 : x
  2. Step 2: Convert to fraction form
    288,188,237.52/397,692,396 = 161,029,933.92/x
  3. Step 3: Cross multiply
    288,188,237.52x = 397,692,396 × 161,029,933.92
  4. Step 4: Simplify right side
    288,188,237.52x = 64,040,380,248,366,464
  5. Step 5: Solve for x
    x = 64,040,380,248,366,464/288,188,237.52
  6. Step 6: Final answer
    x = 222,217,189.71

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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.