Home / 320,345,724.69-442,110,049.56-194,906,825.91

Finding the Fourth Proportional to 320,345,724.69, 442,110,049.56 and 194,906,825.91

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Solution

The fourth proportional to 320,345,724.69, 442,110,049.56 and 194,906,825.91 is: 268,991,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,345,724.69 : 442,110,049.56 = 194,906,825.91 : x
  2. Step 2: Convert to fraction form
    320,345,724.69/442,110,049.56 = 194,906,825.91/x
  3. Step 3: Cross multiply
    320,345,724.69x = 442,110,049.56 × 194,906,825.91
  4. Step 4: Simplify right side
    320,345,724.69x = 86,170,266,462,652,384
  5. Step 5: Solve for x
    x = 86,170,266,462,652,384/320,345,724.69
  6. Step 6: Final answer
    x = 268,991,467.10

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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.