Home / 321,171,818.94-443,217,110.12-181,942,580.70

Finding the Fourth Proportional to 321,171,818.94, 443,217,110.12 and 181,942,580.70

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Solution

The fourth proportional to 321,171,818.94, 443,217,110.12 and 181,942,580.70 is: 251,080,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,171,818.94 : 443,217,110.12 = 181,942,580.70 : x
  2. Step 2: Convert to fraction form
    321,171,818.94/443,217,110.12 = 181,942,580.70/x
  3. Step 3: Cross multiply
    321,171,818.94x = 443,217,110.12 × 181,942,580.70
  4. Step 4: Simplify right side
    321,171,818.94x = 80,640,064,825,628,880
  5. Step 5: Solve for x
    x = 80,640,064,825,628,880/321,171,818.94
  6. Step 6: Final answer
    x = 251,080,761.36

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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.