Home / 49,661,572.80-68,538,936.60-30,081,886.68

Finding the Fourth Proportional to 49,661,572.80, 68,538,936.60 and 30,081,886.68

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Solution

The fourth proportional to 49,661,572.80, 68,538,936.60 and 30,081,886.68 is: 41,516,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661,572.80 : 68,538,936.60 = 30,081,886.68 : x
  2. Step 2: Convert to fraction form
    49,661,572.80/68,538,936.60 = 30,081,886.68/x
  3. Step 3: Cross multiply
    49,661,572.80x = 68,538,936.60 × 30,081,886.68
  4. Step 4: Simplify right side
    49,661,572.80x = 2,061,780,523,968,904.25
  5. Step 5: Solve for x
    x = 2,061,780,523,968,904.25/49,661,572.80
  6. Step 6: Final answer
    x = 41,516,617.53

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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.