Home / 220,691,908.80-304,564,282.20-122,906,764.80

Finding the Fourth Proportional to 220,691,908.80, 304,564,282.20 and 122,906,764.80

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Solution

The fourth proportional to 220,691,908.80, 304,564,282.20 and 122,906,764.80 is: 169,616,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,691,908.80 : 304,564,282.20 = 122,906,764.80 : x
  2. Step 2: Convert to fraction form
    220,691,908.80/304,564,282.20 = 122,906,764.80/x
  3. Step 3: Cross multiply
    220,691,908.80x = 304,564,282.20 × 122,906,764.80
  4. Step 4: Simplify right side
    220,691,908.80x = 37,433,010,598,836,224
  5. Step 5: Solve for x
    x = 37,433,010,598,836,224/220,691,908.80
  6. Step 6: Final answer
    x = 169,616,597.19

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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.