Home / 74,348,650.68-111,479,673.42-28,857,301.08

Finding the Fourth Proportional to 74,348,650.68, 111,479,673.42 and 28,857,301.08

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Solution

The fourth proportional to 74,348,650.68, 111,479,673.42 and 28,857,301.08 is: 43,269,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348,650.68 : 111,479,673.42 = 28,857,301.08 : x
  2. Step 2: Convert to fraction form
    74,348,650.68/111,479,673.42 = 28,857,301.08/x
  3. Step 3: Cross multiply
    74,348,650.68x = 111,479,673.42 × 28,857,301.08
  4. Step 4: Simplify right side
    74,348,650.68x = 3,217,002,500,181,013
  5. Step 5: Solve for x
    x = 3,217,002,500,181,013/74,348,650.68
  6. Step 6: Final answer
    x = 43,269,144.37

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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.