Home / 268,650,521.80-402,303,936.30-214,902,809.80

Finding the Fourth Proportional to 268,650,521.80, 402,303,936.30 and 214,902,809.80

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Solution

The fourth proportional to 268,650,521.80, 402,303,936.30 and 214,902,809.80 is: 321,816,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,650,521.80 : 402,303,936.30 = 214,902,809.80 : x
  2. Step 2: Convert to fraction form
    268,650,521.80/402,303,936.30 = 214,902,809.80/x
  3. Step 3: Cross multiply
    268,650,521.80x = 402,303,936.30 × 214,902,809.80
  4. Step 4: Simplify right side
    268,650,521.80x = 86,456,246,304,470,224
  5. Step 5: Solve for x
    x = 86,456,246,304,470,224/268,650,521.80
  6. Step 6: Final answer
    x = 321,816,781.61

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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.