Home / 393,634,078.38-590,467,254.39-135,027,144.18

Finding the Fourth Proportional to 393,634,078.38, 590,467,254.39 and 135,027,144.18

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Solution

The fourth proportional to 393,634,078.38, 590,467,254.39 and 135,027,144.18 is: 202,546,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,634,078.38 : 590,467,254.39 = 135,027,144.18 : x
  2. Step 2: Convert to fraction form
    393,634,078.38/590,467,254.39 = 135,027,144.18/x
  3. Step 3: Cross multiply
    393,634,078.38x = 590,467,254.39 × 135,027,144.18
  4. Step 4: Simplify right side
    393,634,078.38x = 79,729,107,092,087,264
  5. Step 5: Solve for x
    x = 79,729,107,092,087,264/393,634,078.38
  6. Step 6: Final answer
    x = 202,546,251.64

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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.