Home / 163,413,932.78-225,504,440.30-89,072,857.74

Finding the Fourth Proportional to 163,413,932.78, 225,504,440.30 and 89,072,857.74

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Solution

The fourth proportional to 163,413,932.78, 225,504,440.30 and 89,072,857.74 is: 122,916,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,413,932.78 : 225,504,440.30 = 89,072,857.74 : x
  2. Step 2: Convert to fraction form
    163,413,932.78/225,504,440.30 = 89,072,857.74/x
  3. Step 3: Cross multiply
    163,413,932.78x = 225,504,440.30 × 89,072,857.74
  4. Step 4: Simplify right side
    163,413,932.78x = 20,086,324,930,580,224
  5. Step 5: Solve for x
    x = 20,086,324,930,580,224/163,413,932.78
  6. Step 6: Final answer
    x = 122,916,844.29

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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.