Home / 230,100,988.28-345,199,956.88-74,642,657.68

Finding the Fourth Proportional to 230,100,988.28, 345,199,956.88 and 74,642,657.68

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Solution

The fourth proportional to 230,100,988.28, 345,199,956.88 and 74,642,657.68 is: 111,979,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,100,988.28 : 345,199,956.88 = 74,642,657.68 : x
  2. Step 2: Convert to fraction form
    230,100,988.28/345,199,956.88 = 74,642,657.68/x
  3. Step 3: Cross multiply
    230,100,988.28x = 345,199,956.88 × 74,642,657.68
  4. Step 4: Simplify right side
    230,100,988.28x = 25,766,642,212,544,604
  5. Step 5: Solve for x
    x = 25,766,642,212,544,604/230,100,988.28
  6. Step 6: Final answer
    x = 111,979,711.19

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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.