Home / 288,188,239.52-397,692,398.76-161,029,935.92

Finding the Fourth Proportional to 288,188,239.52, 397,692,398.76 and 161,029,935.92

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Solution

The fourth proportional to 288,188,239.52, 397,692,398.76 and 161,029,935.92 is: 222,217,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,188,239.52 : 397,692,398.76 = 161,029,935.92 : x
  2. Step 2: Convert to fraction form
    288,188,239.52/397,692,398.76 = 161,029,935.92/x
  3. Step 3: Cross multiply
    288,188,239.52x = 397,692,398.76 × 161,029,935.92
  4. Step 4: Simplify right side
    288,188,239.52x = 64,040,381,488,193,880
  5. Step 5: Solve for x
    x = 64,040,381,488,193,880/288,188,239.52
  6. Step 6: Final answer
    x = 222,217,192.47

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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.