Home / 321,171,955.94-443,217,298.54-181,942,717.52

Finding the Fourth Proportional to 321,171,955.94, 443,217,298.54 and 181,942,717.52

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Solution

The fourth proportional to 321,171,955.94, 443,217,298.54 and 181,942,717.52 is: 251,080,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,171,955.94 : 443,217,298.54 = 181,942,717.52 : x
  2. Step 2: Convert to fraction form
    321,171,955.94/443,217,298.54 = 181,942,717.52/x
  3. Step 3: Cross multiply
    321,171,955.94x = 443,217,298.54 × 181,942,717.52
  4. Step 4: Simplify right side
    321,171,955.94x = 80,640,159,748,240,736
  5. Step 5: Solve for x
    x = 80,640,159,748,240,736/321,171,955.94
  6. Step 6: Final answer
    x = 251,080,949.81

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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.