Home / 154,412,722.80-231,619,084.20-52,175,284.20

Finding the Fourth Proportional to 154,412,722.80, 231,619,084.20 and 52,175,284.20

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Solution

The fourth proportional to 154,412,722.80, 231,619,084.20 and 52,175,284.20 is: 78,262,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412,722.80 : 231,619,084.20 = 52,175,284.20 : x
  2. Step 2: Convert to fraction form
    154,412,722.80/231,619,084.20 = 52,175,284.20/x
  3. Step 3: Cross multiply
    154,412,722.80x = 231,619,084.20 × 52,175,284.20
  4. Step 4: Simplify right side
    154,412,722.80x = 12,084,791,544,278,730
  5. Step 5: Solve for x
    x = 12,084,791,544,278,730/154,412,722.80
  6. Step 6: Final answer
    x = 78,262,926.30

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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.