Home / 81,077,429.99-111,886,296.25-43,906,859.66

Finding the Fourth Proportional to 81,077,429.99, 111,886,296.25 and 43,906,859.66

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Solution

The fourth proportional to 81,077,429.99, 111,886,296.25 and 43,906,859.66 is: 60,591,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,077,429.99 : 111,886,296.25 = 43,906,859.66 : x
  2. Step 2: Convert to fraction form
    81,077,429.99/111,886,296.25 = 43,906,859.66/x
  3. Step 3: Cross multiply
    81,077,429.99x = 111,886,296.25 × 43,906,859.66
  4. Step 4: Simplify right side
    81,077,429.99x = 4,912,575,906,656,736
  5. Step 5: Solve for x
    x = 4,912,575,906,656,736/81,077,429.99
  6. Step 6: Final answer
    x = 60,591,164.61

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1.5x scale

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.