Home / 120,398,696.82-180,601,791.84-57,286,906.92

Finding the Fourth Proportional to 120,398,696.82, 180,601,791.84 and 57,286,906.92

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Solution

The fourth proportional to 120,398,696.82, 180,601,791.84 and 57,286,906.92 is: 85,932,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,398,696.82 : 180,601,791.84 = 57,286,906.92 : x
  2. Step 2: Convert to fraction form
    120,398,696.82/180,601,791.84 = 57,286,906.92/x
  3. Step 3: Cross multiply
    120,398,696.82x = 180,601,791.84 × 57,286,906.92
  4. Step 4: Simplify right side
    120,398,696.82x = 10,346,118,038,723,296
  5. Step 5: Solve for x
    x = 10,346,118,038,723,296/120,398,696.82
  6. Step 6: Final answer
    x = 85,932,143.05

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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.