Home / 378,561,697.40-567,842,546.10-136,193,108.60

Finding the Fourth Proportional to 378,561,697.40, 567,842,546.10 and 136,193,108.60

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Solution

The fourth proportional to 378,561,697.40, 567,842,546.10 and 136,193,108.60 is: 204,289,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,561,697.40 : 567,842,546.10 = 136,193,108.60 : x
  2. Step 2: Convert to fraction form
    378,561,697.40/567,842,546.10 = 136,193,108.60/x
  3. Step 3: Cross multiply
    378,561,697.40x = 567,842,546.10 × 136,193,108.60
  4. Step 4: Simplify right side
    378,561,697.40x = 77,336,241,548,697,808
  5. Step 5: Solve for x
    x = 77,336,241,548,697,808/378,561,697.40
  6. Step 6: Final answer
    x = 204,289,662.90

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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.