Home / 178,045,013.70-267,067,520.55-161,889,207.30

Finding the Fourth Proportional to 178,045,013.70, 267,067,520.55 and 161,889,207.30

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Solution

The fourth proportional to 178,045,013.70, 267,067,520.55 and 161,889,207.30 is: 242,833,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045,013.70 : 267,067,520.55 = 161,889,207.30 : x
  2. Step 2: Convert to fraction form
    178,045,013.70/267,067,520.55 = 161,889,207.30/x
  3. Step 3: Cross multiply
    178,045,013.70x = 267,067,520.55 × 161,889,207.30
  4. Step 4: Simplify right side
    178,045,013.70x = 43,235,349,197,415,968
  5. Step 5: Solve for x
    x = 43,235,349,197,415,968/178,045,013.70
  6. Step 6: Final answer
    x = 242,833,810.95

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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.