Home / 186,786,961.20-279,424,614.60-164,112,145.20

Finding the Fourth Proportional to 186,786,961.20, 279,424,614.60 and 164,112,145.20

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Solution

The fourth proportional to 186,786,961.20, 279,424,614.60 and 164,112,145.20 is: 245,504,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,786,961.20 : 279,424,614.60 = 164,112,145.20 : x
  2. Step 2: Convert to fraction form
    186,786,961.20/279,424,614.60 = 164,112,145.20/x
  3. Step 3: Cross multiply
    186,786,961.20x = 279,424,614.60 × 164,112,145.20
  4. Step 4: Simplify right side
    186,786,961.20x = 45,856,972,923,689,240
  5. Step 5: Solve for x
    x = 45,856,972,923,689,240/186,786,961.20
  6. Step 6: Final answer
    x = 245,504,143.49

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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.