Home / 199,589,122.20-299,607,632.10-154,351,464.60

Finding the Fourth Proportional to 199,589,122.20, 299,607,632.10 and 154,351,464.60

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Solution

The fourth proportional to 199,589,122.20, 299,607,632.10 and 154,351,464.60 is: 231,700,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,122.20 : 299,607,632.10 = 154,351,464.60 : x
  2. Step 2: Convert to fraction form
    199,589,122.20/299,607,632.10 = 154,351,464.60/x
  3. Step 3: Cross multiply
    199,589,122.20x = 299,607,632.10 × 154,351,464.60
  4. Step 4: Simplify right side
    199,589,122.20x = 46,244,876,819,972,976
  5. Step 5: Solve for x
    x = 46,244,876,819,972,976/199,589,122.20
  6. Step 6: Final answer
    x = 231,700,386.83

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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.