Home / 117,123,977.92-161,536,844.54-102,964,890.17

Finding the Fourth Proportional to 117,123,977.92, 161,536,844.54 and 102,964,890.17

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Solution

The fourth proportional to 117,123,977.92, 161,536,844.54 and 102,964,890.17 is: 142,008,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,123,977.92 : 161,536,844.54 = 102,964,890.17 : x
  2. Step 2: Convert to fraction form
    117,123,977.92/161,536,844.54 = 102,964,890.17/x
  3. Step 3: Cross multiply
    117,123,977.92x = 161,536,844.54 × 102,964,890.17
  4. Step 4: Simplify right side
    117,123,977.92x = 16,632,623,456,469,464
  5. Step 5: Solve for x
    x = 16,632,623,456,469,464/117,123,977.92
  6. Step 6: Final answer
    x = 142,008,696.70

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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.