Home / 123,443,728.30-184,802,354.97-82,401,367.42

Finding the Fourth Proportional to 123,443,728.30, 184,802,354.97 and 82,401,367.42

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Solution

The fourth proportional to 123,443,728.30, 184,802,354.97 and 82,401,367.42 is: 123,359,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,443,728.30 : 184,802,354.97 = 82,401,367.42 : x
  2. Step 2: Convert to fraction form
    123,443,728.30/184,802,354.97 = 82,401,367.42/x
  3. Step 3: Cross multiply
    123,443,728.30x = 184,802,354.97 × 82,401,367.42
  4. Step 4: Simplify right side
    123,443,728.30x = 15,227,966,751,964,234
  5. Step 5: Solve for x
    x = 15,227,966,751,964,234/123,443,728.30
  6. Step 6: Final answer
    x = 123,359,582.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.