Home / 199,117,514.75-274,781,188.82-115,502,556.11

Finding the Fourth Proportional to 199,117,514.75, 274,781,188.82 and 115,502,556.11

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Solution

The fourth proportional to 199,117,514.75, 274,781,188.82 and 115,502,556.11 is: 159,392,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,117,514.75 : 274,781,188.82 = 115,502,556.11 : x
  2. Step 2: Convert to fraction form
    199,117,514.75/274,781,188.82 = 115,502,556.11/x
  3. Step 3: Cross multiply
    199,117,514.75x = 274,781,188.82 × 115,502,556.11
  4. Step 4: Simplify right side
    199,117,514.75x = 31,737,929,678,569,404
  5. Step 5: Solve for x
    x = 31,737,929,678,569,404/199,117,514.75
  6. Step 6: Final answer
    x = 159,392,958.07

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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.