Home / 81,040,001.99-111,835,074.03-43,870,272.40

Finding the Fourth Proportional to 81,040,001.99, 111,835,074.03 and 43,870,272.40

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Solution

The fourth proportional to 81,040,001.99, 111,835,074.03 and 43,870,272.40 is: 60,540,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,040,001.99 : 111,835,074.03 = 43,870,272.40 : x
  2. Step 2: Convert to fraction form
    81,040,001.99/111,835,074.03 = 43,870,272.40/x
  3. Step 3: Cross multiply
    81,040,001.99x = 111,835,074.03 × 43,870,272.40
  4. Step 4: Simplify right side
    81,040,001.99x = 4,906,235,161,545,546
  5. Step 5: Solve for x
    x = 4,906,235,161,545,546/81,040,001.99
  6. Step 6: Final answer
    x = 60,540,906.24

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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.