Home / 220,061,308.60-330,091,962.90-203,433,110.20

Finding the Fourth Proportional to 220,061,308.60, 330,091,962.90 and 203,433,110.20

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Solution

The fourth proportional to 220,061,308.60, 330,091,962.90 and 203,433,110.20 is: 305,149,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,308.60 : 330,091,962.90 = 203,433,110.20 : x
  2. Step 2: Convert to fraction form
    220,061,308.60/330,091,962.90 = 203,433,110.20/x
  3. Step 3: Cross multiply
    220,061,308.60x = 330,091,962.90 × 203,433,110.20
  4. Step 4: Simplify right side
    220,061,308.60x = 67,151,634,664,770,000
  5. Step 5: Solve for x
    x = 67,151,634,664,770,000/220,061,308.60
  6. Step 6: Final answer
    x = 305,149,665.30

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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.