Home / 76,991,766.09-106,222,480.69-43,928,262.69

Finding the Fourth Proportional to 76,991,766.09, 106,222,480.69 and 43,928,262.69

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Solution

The fourth proportional to 76,991,766.09, 106,222,480.69 and 43,928,262.69 is: 60,606,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,991,766.09 : 106,222,480.69 = 43,928,262.69 : x
  2. Step 2: Convert to fraction form
    76,991,766.09/106,222,480.69 = 43,928,262.69/x
  3. Step 3: Cross multiply
    76,991,766.09x = 106,222,480.69 × 43,928,262.69
  4. Step 4: Simplify right side
    76,991,766.09x = 4,666,169,035,704,432
  5. Step 5: Solve for x
    x = 4,666,169,035,704,432/76,991,766.09
  6. Step 6: Final answer
    x = 60,606,078.71

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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.