Home / 186,786,823.20-279,424,407.60-164,112,007.20

Finding the Fourth Proportional to 186,786,823.20, 279,424,407.60 and 164,112,007.20

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Solution

The fourth proportional to 186,786,823.20, 279,424,407.60 and 164,112,007.20 is: 245,503,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,786,823.20 : 279,424,407.60 = 164,112,007.20 : x
  2. Step 2: Convert to fraction form
    186,786,823.20/279,424,407.60 = 164,112,007.20/x
  3. Step 3: Cross multiply
    186,786,823.20x = 279,424,407.60 × 164,112,007.20
  4. Step 4: Simplify right side
    186,786,823.20x = 45,856,900,391,906,936
  5. Step 5: Solve for x
    x = 45,856,900,391,906,936/186,786,823.20
  6. Step 6: Final answer
    x = 245,503,936.55

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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.