Home / 109,188,099.80-163,782,149.70-100,874,000.60

Finding the Fourth Proportional to 109,188,099.80, 163,782,149.70 and 100,874,000.60

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Solution

The fourth proportional to 109,188,099.80, 163,782,149.70 and 100,874,000.60 is: 151,311,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188,099.80 : 163,782,149.70 = 100,874,000.60 : x
  2. Step 2: Convert to fraction form
    109,188,099.80/163,782,149.70 = 100,874,000.60/x
  3. Step 3: Cross multiply
    109,188,099.80x = 163,782,149.70 × 100,874,000.60
  4. Step 4: Simplify right side
    109,188,099.80x = 16,521,360,667,107,088
  5. Step 5: Solve for x
    x = 16,521,360,667,107,088/109,188,099.80
  6. Step 6: Final answer
    x = 151,311,000.90

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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.