Home / 154,546,808.80-231,820,213.20-115,999,621.60

Finding the Fourth Proportional to 154,546,808.80, 231,820,213.20 and 115,999,621.60

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Solution

The fourth proportional to 154,546,808.80, 231,820,213.20 and 115,999,621.60 is: 173,999,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,546,808.80 : 231,820,213.20 = 115,999,621.60 : x
  2. Step 2: Convert to fraction form
    154,546,808.80/231,820,213.20 = 115,999,621.60/x
  3. Step 3: Cross multiply
    154,546,808.80x = 231,820,213.20 × 115,999,621.60
  4. Step 4: Simplify right side
    154,546,808.80x = 26,891,057,010,431,324
  5. Step 5: Solve for x
    x = 26,891,057,010,431,324/154,546,808.80
  6. Step 6: Final answer
    x = 173,999,432.40

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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.