Home / 73,117,087.54-109,021,945.22-71,108,240.56

Finding the Fourth Proportional to 73,117,087.54, 109,021,945.22 and 71,108,240.56

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Solution

The fourth proportional to 73,117,087.54, 109,021,945.22 and 71,108,240.56 is: 106,026,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117,087.54 : 109,021,945.22 = 71,108,240.56 : x
  2. Step 2: Convert to fraction form
    73,117,087.54/109,021,945.22 = 71,108,240.56/x
  3. Step 3: Cross multiply
    73,117,087.54x = 109,021,945.22 × 71,108,240.56
  4. Step 4: Simplify right side
    73,117,087.54x = 7,752,358,707,022,902
  5. Step 5: Solve for x
    x = 7,752,358,707,022,902/73,117,087.54
  6. Step 6: Final answer
    x = 106,026,634.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.