Home / 81,111,819.48-111,933,692.17-43,941,833.85

Finding the Fourth Proportional to 81,111,819.48, 111,933,692.17 and 43,941,833.85

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Solution

The fourth proportional to 81,111,819.48, 111,933,692.17 and 43,941,833.85 is: 60,639,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,111,819.48 : 111,933,692.17 = 43,941,833.85 : x
  2. Step 2: Convert to fraction form
    81,111,819.48/111,933,692.17 = 43,941,833.85/x
  3. Step 3: Cross multiply
    81,111,819.48x = 111,933,692.17 × 43,941,833.85
  4. Step 4: Simplify right side
    81,111,819.48x = 4,918,571,703,051,642
  5. Step 5: Solve for x
    x = 4,918,571,703,051,642/81,111,819.48
  6. Step 6: Final answer
    x = 60,639,395.53

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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.