Home / 155,760,132.20-233,640,198.30-79,232,628.20

Finding the Fourth Proportional to 155,760,132.20, 233,640,198.30 and 79,232,628.20

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Solution

The fourth proportional to 155,760,132.20, 233,640,198.30 and 79,232,628.20 is: 118,848,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,760,132.20 : 233,640,198.30 = 79,232,628.20 : x
  2. Step 2: Convert to fraction form
    155,760,132.20/233,640,198.30 = 79,232,628.20/x
  3. Step 3: Cross multiply
    155,760,132.20x = 233,640,198.30 × 79,232,628.20
  4. Step 4: Simplify right side
    155,760,132.20x = 18,511,926,964,478,172
  5. Step 5: Solve for x
    x = 18,511,926,964,478,172/155,760,132.20
  6. Step 6: Final answer
    x = 118,848,942.30

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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.