Home / 100,976,560.20-151,086,926.70-66,964,336.20

Finding the Fourth Proportional to 100,976,560.20, 151,086,926.70 and 66,964,336.20

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Solution

The fourth proportional to 100,976,560.20, 151,086,926.70 and 66,964,336.20 is: 100,195,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,976,560.20 : 151,086,926.70 = 66,964,336.20 : x
  2. Step 2: Convert to fraction form
    100,976,560.20/151,086,926.70 = 66,964,336.20/x
  3. Step 3: Cross multiply
    100,976,560.20x = 151,086,926.70 × 66,964,336.20
  4. Step 4: Simplify right side
    100,976,560.20x = 10,117,435,754,963,556
  5. Step 5: Solve for x
    x = 10,117,435,754,963,556/100,976,560.20
  6. Step 6: Final answer
    x = 100,195,884.42

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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.