Home / 321,104,519.16-443,136,392.46-179,978,325.72

Finding the Fourth Proportional to 321,104,519.16, 443,136,392.46 and 179,978,325.72

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Solution

The fourth proportional to 321,104,519.16, 443,136,392.46 and 179,978,325.72 is: 248,376,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,104,519.16 : 443,136,392.46 = 179,978,325.72 : x
  2. Step 2: Convert to fraction form
    321,104,519.16/443,136,392.46 = 179,978,325.72/x
  3. Step 3: Cross multiply
    321,104,519.16x = 443,136,392.46 × 179,978,325.72
  4. Step 4: Simplify right side
    321,104,519.16x = 79,754,945,980,551,632
  5. Step 5: Solve for x
    x = 79,754,945,980,551,632/321,104,519.16
  6. Step 6: Final answer
    x = 248,376,902.91

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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.