Home / 220,061,200.65-330,091,800.98-155,491,119.15

Finding the Fourth Proportional to 220,061,200.65, 330,091,800.98 and 155,491,119.15

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Solution

The fourth proportional to 220,061,200.65, 330,091,800.98 and 155,491,119.15 is: 233,236,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,200.65 : 330,091,800.98 = 155,491,119.15 : x
  2. Step 2: Convert to fraction form
    220,061,200.65/330,091,800.98 = 155,491,119.15/x
  3. Step 3: Cross multiply
    220,061,200.65x = 330,091,800.98 × 155,491,119.15
  4. Step 4: Simplify right side
    220,061,200.65x = 51,326,343,555,841,816
  5. Step 5: Solve for x
    x = 51,326,343,555,841,816/220,061,200.65
  6. Step 6: Final answer
    x = 233,236,678.73

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Double scale
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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.