Home / 154,504,086.40-231,933,076.80-90,714,620.80

Finding the Fourth Proportional to 154,504,086.40, 231,933,076.80 and 90,714,620.80

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Solution

The fourth proportional to 154,504,086.40, 231,933,076.80 and 90,714,620.80 is: 136,175,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,504,086.40 : 231,933,076.80 = 90,714,620.80 : x
  2. Step 2: Convert to fraction form
    154,504,086.40/231,933,076.80 = 90,714,620.80/x
  3. Step 3: Cross multiply
    154,504,086.40x = 231,933,076.80 × 90,714,620.80
  4. Step 4: Simplify right side
    154,504,086.40x = 21,039,721,112,889,276
  5. Step 5: Solve for x
    x = 21,039,721,112,889,276/154,504,086.40
  6. Step 6: Final answer
    x = 136,175,822.94

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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.