Home / 81,010,568-111,795,633.60-44,340,351.68

Finding the Fourth Proportional to 81,010,568, 111,795,633.60 and 44,340,351.68

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Solution

The fourth proportional to 81,010,568, 111,795,633.60 and 44,340,351.68 is: 61,190,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,010,568 : 111,795,633.60 = 44,340,351.68 : x
  2. Step 2: Convert to fraction form
    81,010,568/111,795,633.60 = 44,340,351.68/x
  3. Step 3: Cross multiply
    81,010,568x = 111,795,633.60 × 44,340,351.68
  4. Step 4: Simplify right side
    81,010,568x = 4,957,057,710,112,424
  5. Step 5: Solve for x
    x = 4,957,057,710,112,424/81,010,568
  6. Step 6: Final answer
    x = 61,190,259.89

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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.