Home / 218,275,619.40-327,413,429.10-188,940,076.20

Finding the Fourth Proportional to 218,275,619.40, 327,413,429.10 and 188,940,076.20

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Solution

The fourth proportional to 218,275,619.40, 327,413,429.10 and 188,940,076.20 is: 283,410,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,275,619.40 : 327,413,429.10 = 188,940,076.20 : x
  2. Step 2: Convert to fraction form
    218,275,619.40/327,413,429.10 = 188,940,076.20/x
  3. Step 3: Cross multiply
    218,275,619.40x = 327,413,429.10 × 188,940,076.20
  4. Step 4: Simplify right side
    218,275,619.40x = 61,861,518,243,057,296
  5. Step 5: Solve for x
    x = 61,861,518,243,057,296/218,275,619.40
  6. Step 6: Final answer
    x = 283,410,114.30

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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.