Home / 220,373,670.60-330,560,505.90-206,936,742.60

Finding the Fourth Proportional to 220,373,670.60, 330,560,505.90 and 206,936,742.60

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Solution

The fourth proportional to 220,373,670.60, 330,560,505.90 and 206,936,742.60 is: 310,405,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,373,670.60 : 330,560,505.90 = 206,936,742.60 : x
  2. Step 2: Convert to fraction form
    220,373,670.60/330,560,505.90 = 206,936,742.60/x
  3. Step 3: Cross multiply
    220,373,670.60x = 330,560,505.90 × 206,936,742.60
  4. Step 4: Simplify right side
    220,373,670.60x = 68,405,114,323,154,072
  5. Step 5: Solve for x
    x = 68,405,114,323,154,072/220,373,670.60
  6. Step 6: Final answer
    x = 310,405,113.90

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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.