Home / 203,796,058.40-281,200,267.56-120,190,538

Finding the Fourth Proportional to 203,796,058.40, 281,200,267.56 and 120,190,538

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Solution

The fourth proportional to 203,796,058.40, 281,200,267.56 and 120,190,538 is: 165,840,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,796,058.40 : 281,200,267.56 = 120,190,538 : x
  2. Step 2: Convert to fraction form
    203,796,058.40/281,200,267.56 = 120,190,538/x
  3. Step 3: Cross multiply
    203,796,058.40x = 281,200,267.56 × 120,190,538
  4. Step 4: Simplify right side
    203,796,058.40x = 33,797,611,443,780,348
  5. Step 5: Solve for x
    x = 33,797,611,443,780,348/203,796,058.40
  6. Step 6: Final answer
    x = 165,840,358.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.