Home / 111,081,749.43-166,690,728.75-49,722,789.45

Finding the Fourth Proportional to 111,081,749.43, 166,690,728.75 and 49,722,789.45

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Solution

The fourth proportional to 111,081,749.43, 166,690,728.75 and 49,722,789.45 is: 74,614,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,081,749.43 : 166,690,728.75 = 49,722,789.45 : x
  2. Step 2: Convert to fraction form
    111,081,749.43/166,690,728.75 = 49,722,789.45/x
  3. Step 3: Cross multiply
    111,081,749.43x = 166,690,728.75 × 49,722,789.45
  4. Step 4: Simplify right side
    111,081,749.43x = 8,288,328,008,903,312
  5. Step 5: Solve for x
    x = 8,288,328,008,903,312/111,081,749.43
  6. Step 6: Final answer
    x = 74,614,669.39

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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.