Home / 112,543,467.30-168,815,200.95-55,147,839.30

Finding the Fourth Proportional to 112,543,467.30, 168,815,200.95 and 55,147,839.30

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Solution

The fourth proportional to 112,543,467.30, 168,815,200.95 and 55,147,839.30 is: 82,721,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,543,467.30 : 168,815,200.95 = 55,147,839.30 : x
  2. Step 2: Convert to fraction form
    112,543,467.30/168,815,200.95 = 55,147,839.30/x
  3. Step 3: Cross multiply
    112,543,467.30x = 168,815,200.95 × 55,147,839.30
  4. Step 4: Simplify right side
    112,543,467.30x = 9,309,793,573,387,806
  5. Step 5: Solve for x
    x = 9,309,793,573,387,806/112,543,467.30
  6. Step 6: Final answer
    x = 82,721,758.95

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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.