Home / 321,104,516.16-443,136,388.32-179,978,322.72

Finding the Fourth Proportional to 321,104,516.16, 443,136,388.32 and 179,978,322.72

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Solution

The fourth proportional to 321,104,516.16, 443,136,388.32 and 179,978,322.72 is: 248,376,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,104,516.16 : 443,136,388.32 = 179,978,322.72 : x
  2. Step 2: Convert to fraction form
    321,104,516.16/443,136,388.32 = 179,978,322.72/x
  3. Step 3: Cross multiply
    321,104,516.16x = 443,136,388.32 × 179,978,322.72
  4. Step 4: Simplify right side
    321,104,516.16x = 79,754,943,906,032,192
  5. Step 5: Solve for x
    x = 79,754,943,906,032,192/321,104,516.16
  6. Step 6: Final answer
    x = 248,376,898.77

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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.