Home / 154,557,538.20-231,836,307.30-109,207,906.20

Finding the Fourth Proportional to 154,557,538.20, 231,836,307.30 and 109,207,906.20

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Solution

The fourth proportional to 154,557,538.20, 231,836,307.30 and 109,207,906.20 is: 163,811,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,538.20 : 231,836,307.30 = 109,207,906.20 : x
  2. Step 2: Convert to fraction form
    154,557,538.20/231,836,307.30 = 109,207,906.20/x
  3. Step 3: Cross multiply
    154,557,538.20x = 231,836,307.30 × 109,207,906.20
  4. Step 4: Simplify right side
    154,557,538.20x = 25,318,357,701,372,776
  5. Step 5: Solve for x
    x = 25,318,357,701,372,776/154,557,538.20
  6. Step 6: Final answer
    x = 163,811,859.30

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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.