Home / 220,691,764.69-304,564,083.11-122,906,620.69

Finding the Fourth Proportional to 220,691,764.69, 304,564,083.11 and 122,906,620.69

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Solution

The fourth proportional to 220,691,764.69, 304,564,083.11 and 122,906,620.69 is: 169,616,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,691,764.69 : 304,564,083.11 = 122,906,620.69 : x
  2. Step 2: Convert to fraction form
    220,691,764.69/304,564,083.11 = 122,906,620.69/x
  3. Step 3: Cross multiply
    220,691,764.69x = 304,564,083.11 × 122,906,620.69
  4. Step 4: Simplify right side
    220,691,764.69x = 37,432,942,237,684,592
  5. Step 5: Solve for x
    x = 37,432,942,237,684,592/220,691,764.69
  6. Step 6: Final answer
    x = 169,616,398.20

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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.