Home / 217,052,563.20-325,578,844.80-187,827,244.80

Finding the Fourth Proportional to 217,052,563.20, 325,578,844.80 and 187,827,244.80

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Solution

The fourth proportional to 217,052,563.20, 325,578,844.80 and 187,827,244.80 is: 281,740,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,052,563.20 : 325,578,844.80 = 187,827,244.80 : x
  2. Step 2: Convert to fraction form
    217,052,563.20/325,578,844.80 = 187,827,244.80/x
  3. Step 3: Cross multiply
    217,052,563.20x = 325,578,844.80 × 187,827,244.80
  4. Step 4: Simplify right side
    217,052,563.20x = 61,152,577,383,950,816
  5. Step 5: Solve for x
    x = 61,152,577,383,950,816/217,052,563.20
  6. Step 6: Final answer
    x = 281,740,867.20

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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.