Home / 258,055,163.20-387,082,744.80-237,451,873.60

Finding the Fourth Proportional to 258,055,163.20, 387,082,744.80 and 237,451,873.60

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Solution

The fourth proportional to 258,055,163.20, 387,082,744.80 and 237,451,873.60 is: 356,177,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,055,163.20 : 387,082,744.80 = 237,451,873.60 : x
  2. Step 2: Convert to fraction form
    258,055,163.20/387,082,744.80 = 237,451,873.60/x
  3. Step 3: Cross multiply
    258,055,163.20x = 387,082,744.80 × 237,451,873.60
  4. Step 4: Simplify right side
    258,055,163.20x = 91,913,522,990,990,656
  5. Step 5: Solve for x
    x = 91,913,522,990,990,656/258,055,163.20
  6. Step 6: Final answer
    x = 356,177,810.40

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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.