Home / 321,171,812.95-443,217,101.82-181,942,574.71

Finding the Fourth Proportional to 321,171,812.95, 443,217,101.82 and 181,942,574.71

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Solution

The fourth proportional to 321,171,812.95, 443,217,101.82 and 181,942,574.71 is: 251,080,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,171,812.95 : 443,217,101.82 = 181,942,574.71 : x
  2. Step 2: Convert to fraction form
    321,171,812.95/443,217,101.82 = 181,942,574.71/x
  3. Step 3: Cross multiply
    321,171,812.95x = 443,217,101.82 × 181,942,574.71
  4. Step 4: Simplify right side
    321,171,812.95x = 80,640,060,660,635,024
  5. Step 5: Solve for x
    x = 80,640,060,660,635,024/321,171,812.95
  6. Step 6: Final answer
    x = 251,080,753.07

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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.