Home / 216,498,391.94-298,774,082.19-122,410,517.76

Finding the Fourth Proportional to 216,498,391.94, 298,774,082.19 and 122,410,517.76

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Solution

The fourth proportional to 216,498,391.94, 298,774,082.19 and 122,410,517.76 is: 168,930,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,498,391.94 : 298,774,082.19 = 122,410,517.76 : x
  2. Step 2: Convert to fraction form
    216,498,391.94/298,774,082.19 = 122,410,517.76/x
  3. Step 3: Cross multiply
    216,498,391.94x = 298,774,082.19 × 122,410,517.76
  4. Step 4: Simplify right side
    216,498,391.94x = 36,573,090,094,146,696
  5. Step 5: Solve for x
    x = 36,573,090,094,146,696/216,498,391.94
  6. Step 6: Final answer
    x = 168,930,077.34

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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.