Home / 154,504,089.40-231,933,081.30-90,714,623.80

Finding the Fourth Proportional to 154,504,089.40, 231,933,081.30 and 90,714,623.80

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Solution

The fourth proportional to 154,504,089.40, 231,933,081.30 and 90,714,623.80 is: 136,175,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,504,089.40 : 231,933,081.30 = 90,714,623.80 : x
  2. Step 2: Convert to fraction form
    154,504,089.40/231,933,081.30 = 90,714,623.80/x
  3. Step 3: Cross multiply
    154,504,089.40x = 231,933,081.30 × 90,714,623.80
  4. Step 4: Simplify right side
    154,504,089.40x = 21,039,722,216,904,316
  5. Step 5: Solve for x
    x = 21,039,722,216,904,316/154,504,089.40
  6. Step 6: Final answer
    x = 136,175,827.44

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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.