Home / 178,045,013.20-267,067,519.80-161,889,206.80

Finding the Fourth Proportional to 178,045,013.20, 267,067,519.80 and 161,889,206.80

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Solution

The fourth proportional to 178,045,013.20, 267,067,519.80 and 161,889,206.80 is: 242,833,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045,013.20 : 267,067,519.80 = 161,889,206.80 : x
  2. Step 2: Convert to fraction form
    178,045,013.20/267,067,519.80 = 161,889,206.80/x
  3. Step 3: Cross multiply
    178,045,013.20x = 267,067,519.80 × 161,889,206.80
  4. Step 4: Simplify right side
    178,045,013.20x = 43,235,348,942,465,296
  5. Step 5: Solve for x
    x = 43,235,348,942,465,296/178,045,013.20
  6. Step 6: Final answer
    x = 242,833,810.20

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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.