Home / 230,100,991.61-345,199,961.93-74,642,660.95

Finding the Fourth Proportional to 230,100,991.61, 345,199,961.93 and 74,642,660.95

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Solution

The fourth proportional to 230,100,991.61, 345,199,961.93 and 74,642,660.95 is: 111,979,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,100,991.61 : 345,199,961.93 = 74,642,660.95 : x
  2. Step 2: Convert to fraction form
    230,100,991.61/345,199,961.93 = 74,642,660.95/x
  3. Step 3: Cross multiply
    230,100,991.61x = 345,199,961.93 × 74,642,660.95
  4. Step 4: Simplify right side
    230,100,991.61x = 25,766,643,716,248,536
  5. Step 5: Solve for x
    x = 25,766,643,716,248,536/230,100,991.61
  6. Step 6: Final answer
    x = 111,979,716.11

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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.