Home / 49,816,383.60-74,721,918.18-13,424,189.66

Finding the Fourth Proportional to 49,816,383.60, 74,721,918.18 and 13,424,189.66

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Solution

The fourth proportional to 49,816,383.60, 74,721,918.18 and 13,424,189.66 is: 20,135,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816,383.60 : 74,721,918.18 = 13,424,189.66 : x
  2. Step 2: Convert to fraction form
    49,816,383.60/74,721,918.18 = 13,424,189.66/x
  3. Step 3: Cross multiply
    49,816,383.60x = 74,721,918.18 × 13,424,189.66
  4. Step 4: Simplify right side
    49,816,383.60x = 1,003,081,201,033,712.50
  5. Step 5: Solve for x
    x = 1,003,081,201,033,712.50/49,816,383.60
  6. Step 6: Final answer
    x = 20,135,568.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.