Home / 240,080,921.22-331,128,875.63-206,647,303.61

Finding the Fourth Proportional to 240,080,921.22, 331,128,875.63 and 206,647,303.61

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Solution

The fourth proportional to 240,080,921.22, 331,128,875.63 and 206,647,303.61 is: 285,015,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,080,921.22 : 331,128,875.63 = 206,647,303.61 : x
  2. Step 2: Convert to fraction form
    240,080,921.22/331,128,875.63 = 206,647,303.61/x
  3. Step 3: Cross multiply
    240,080,921.22x = 331,128,875.63 × 206,647,303.61
  4. Step 4: Simplify right side
    240,080,921.22x = 68,426,889,297,694,984
  5. Step 5: Solve for x
    x = 68,426,889,297,694,984/240,080,921.22
  6. Step 6: Final answer
    x = 285,015,939.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.