Home / 203,993,356.20-281,511,784.88-115,892,188.23

Finding the Fourth Proportional to 203,993,356.20, 281,511,784.88 and 115,892,188.23

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Solution

The fourth proportional to 203,993,356.20, 281,511,784.88 and 115,892,188.23 is: 159,931,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,993,356.20 : 281,511,784.88 = 115,892,188.23 : x
  2. Step 2: Convert to fraction form
    203,993,356.20/281,511,784.88 = 115,892,188.23/x
  3. Step 3: Cross multiply
    203,993,356.20x = 281,511,784.88 × 115,892,188.23
  4. Step 4: Simplify right side
    203,993,356.20x = 32,625,016,761,405,388
  5. Step 5: Solve for x
    x = 32,625,016,761,405,388/203,993,356.20
  6. Step 6: Final answer
    x = 159,931,761.35

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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.