Home / 393,634,066.38-590,467,236.39-135,027,132.18

Finding the Fourth Proportional to 393,634,066.38, 590,467,236.39 and 135,027,132.18

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Solution

The fourth proportional to 393,634,066.38, 590,467,236.39 and 135,027,132.18 is: 202,546,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,634,066.38 : 590,467,236.39 = 135,027,132.18 : x
  2. Step 2: Convert to fraction form
    393,634,066.38/590,467,236.39 = 135,027,132.18/x
  3. Step 3: Cross multiply
    393,634,066.38x = 590,467,236.39 × 135,027,132.18
  4. Step 4: Simplify right side
    393,634,066.38x = 79,729,097,575,991,840
  5. Step 5: Solve for x
    x = 79,729,097,575,991,840/393,634,066.38
  6. Step 6: Final answer
    x = 202,546,233.64

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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.