Home / 111,681,093.80-167,521,640.70-54,285,465.80

Finding the Fourth Proportional to 111,681,093.80, 167,521,640.70 and 54,285,465.80

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Solution

The fourth proportional to 111,681,093.80, 167,521,640.70 and 54,285,465.80 is: 81,428,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,681,093.80 : 167,521,640.70 = 54,285,465.80 : x
  2. Step 2: Convert to fraction form
    111,681,093.80/167,521,640.70 = 54,285,465.80/x
  3. Step 3: Cross multiply
    111,681,093.80x = 167,521,640.70 × 54,285,465.80
  4. Step 4: Simplify right side
    111,681,093.80x = 9,093,990,296,979,736
  5. Step 5: Solve for x
    x = 9,093,990,296,979,736/111,681,093.80
  6. Step 6: Final answer
    x = 81,428,198.70

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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.