Home / 178,045,305.70-267,067,958.55-132,128,803.30

Finding the Fourth Proportional to 178,045,305.70, 267,067,958.55 and 132,128,803.30

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Solution

The fourth proportional to 178,045,305.70, 267,067,958.55 and 132,128,803.30 is: 198,193,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045,305.70 : 267,067,958.55 = 132,128,803.30 : x
  2. Step 2: Convert to fraction form
    178,045,305.70/267,067,958.55 = 132,128,803.30/x
  3. Step 3: Cross multiply
    178,045,305.70x = 267,067,958.55 × 132,128,803.30
  4. Step 4: Simplify right side
    178,045,305.70x = 35,287,369,762,985,504
  5. Step 5: Solve for x
    x = 35,287,369,762,985,504/178,045,305.70
  6. Step 6: Final answer
    x = 198,193,204.95

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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.