Home / 133,170,014.40-199,542,445.20-111,487,221.60

Finding the Fourth Proportional to 133,170,014.40, 199,542,445.20 and 111,487,221.60

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Solution

The fourth proportional to 133,170,014.40, 199,542,445.20 and 111,487,221.60 is: 167,052,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,170,014.40 : 199,542,445.20 = 111,487,221.60 : x
  2. Step 2: Convert to fraction form
    133,170,014.40/199,542,445.20 = 111,487,221.60/x
  3. Step 3: Cross multiply
    133,170,014.40x = 199,542,445.20 × 111,487,221.60
  4. Step 4: Simplify right side
    133,170,014.40x = 22,246,432,806,618,252
  5. Step 5: Solve for x
    x = 22,246,432,806,618,252/133,170,014.40
  6. Step 6: Final answer
    x = 167,052,867.77

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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.