Home / 131,413,722.36-196,981,578.20-49,497,157.92

Finding the Fourth Proportional to 131,413,722.36, 196,981,578.20 and 49,497,157.92

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Solution

The fourth proportional to 131,413,722.36, 196,981,578.20 and 49,497,157.92 is: 74,193,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,413,722.36 : 196,981,578.20 = 49,497,157.92 : x
  2. Step 2: Convert to fraction form
    131,413,722.36/196,981,578.20 = 49,497,157.92/x
  3. Step 3: Cross multiply
    131,413,722.36x = 196,981,578.20 × 49,497,157.92
  4. Step 4: Simplify right side
    131,413,722.36x = 9,750,028,283,496,230
  5. Step 5: Solve for x
    x = 9,750,028,283,496,230/131,413,722.36
  6. Step 6: Final answer
    x = 74,193,380.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.