Home / 220,061,212.90-330,091,819.35-155,491,131.40

Finding the Fourth Proportional to 220,061,212.90, 330,091,819.35 and 155,491,131.40

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Solution

The fourth proportional to 220,061,212.90, 330,091,819.35 and 155,491,131.40 is: 233,236,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,212.90 : 330,091,819.35 = 155,491,131.40 : x
  2. Step 2: Convert to fraction form
    220,061,212.90/330,091,819.35 = 155,491,131.40/x
  3. Step 3: Cross multiply
    220,061,212.90x = 330,091,819.35 × 155,491,131.40
  4. Step 4: Simplify right side
    220,061,212.90x = 51,326,350,456,615,920
  5. Step 5: Solve for x
    x = 51,326,350,456,615,920/220,061,212.90
  6. Step 6: Final answer
    x = 233,236,697.10

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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.