Home / 109,188,114.30-163,782,171.45-100,874,015.10

Finding the Fourth Proportional to 109,188,114.30, 163,782,171.45 and 100,874,015.10

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Solution

The fourth proportional to 109,188,114.30, 163,782,171.45 and 100,874,015.10 is: 151,311,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188,114.30 : 163,782,171.45 = 100,874,015.10 : x
  2. Step 2: Convert to fraction form
    109,188,114.30/163,782,171.45 = 100,874,015.10/x
  3. Step 3: Cross multiply
    109,188,114.30x = 163,782,171.45 × 100,874,015.10
  4. Step 4: Simplify right side
    109,188,114.30x = 16,521,365,235,958,086
  5. Step 5: Solve for x
    x = 16,521,365,235,958,086/109,188,114.30
  6. Step 6: Final answer
    x = 151,311,022.65

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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.