Home / 269,059,405.78-371,301,977.79-145,300,071.97

Finding the Fourth Proportional to 269,059,405.78, 371,301,977.79 and 145,300,071.97

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Solution

The fourth proportional to 269,059,405.78, 371,301,977.79 and 145,300,071.97 is: 200,514,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,059,405.78 : 371,301,977.79 = 145,300,071.97 : x
  2. Step 2: Convert to fraction form
    269,059,405.78/371,301,977.79 = 145,300,071.97/x
  3. Step 3: Cross multiply
    269,059,405.78x = 371,301,977.79 × 145,300,071.97
  4. Step 4: Simplify right side
    269,059,405.78x = 53,950,204,092,907,336
  5. Step 5: Solve for x
    x = 53,950,204,092,907,336/269,059,405.78
  6. Step 6: Final answer
    x = 200,514,098.13

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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.