Home / 147,164,920.20-220,747,380.30-133,533,458.55

Finding the Fourth Proportional to 147,164,920.20, 220,747,380.30 and 133,533,458.55

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Solution

The fourth proportional to 147,164,920.20, 220,747,380.30 and 133,533,458.55 is: 200,300,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,164,920.20 : 220,747,380.30 = 133,533,458.55 : x
  2. Step 2: Convert to fraction form
    147,164,920.20/220,747,380.30 = 133,533,458.55/x
  3. Step 3: Cross multiply
    147,164,920.20x = 220,747,380.30 × 133,533,458.55
  4. Step 4: Simplify right side
    147,164,920.20x = 29,477,161,157,311,136
  5. Step 5: Solve for x
    x = 29,477,161,157,311,136/147,164,920.20
  6. Step 6: Final answer
    x = 200,300,187.83

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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.