Home / 320,345,726.70-442,110,052.32-194,906,827.92

Finding the Fourth Proportional to 320,345,726.70, 442,110,052.32 and 194,906,827.92

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Solution

The fourth proportional to 320,345,726.70, 442,110,052.32 and 194,906,827.92 is: 268,991,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,345,726.70 : 442,110,052.32 = 194,906,827.92 : x
  2. Step 2: Convert to fraction form
    320,345,726.70/442,110,052.32 = 194,906,827.92/x
  3. Step 3: Cross multiply
    320,345,726.70x = 442,110,052.32 × 194,906,827.92
  4. Step 4: Simplify right side
    320,345,726.70x = 86,170,267,889,236,432
  5. Step 5: Solve for x
    x = 86,170,267,889,236,432/320,345,726.70
  6. Step 6: Final answer
    x = 268,991,469.86

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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.