Home / 178,045,271.70-267,067,907.55-132,128,769.30

Finding the Fourth Proportional to 178,045,271.70, 267,067,907.55 and 132,128,769.30

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Solution

The fourth proportional to 178,045,271.70, 267,067,907.55 and 132,128,769.30 is: 198,193,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045,271.70 : 267,067,907.55 = 132,128,769.30 : x
  2. Step 2: Convert to fraction form
    178,045,271.70/267,067,907.55 = 132,128,769.30/x
  3. Step 3: Cross multiply
    178,045,271.70x = 267,067,907.55 × 132,128,769.30
  4. Step 4: Simplify right side
    178,045,271.70x = 35,287,353,944,107,680
  5. Step 5: Solve for x
    x = 35,287,353,944,107,680/178,045,271.70
  6. Step 6: Final answer
    x = 198,193,153.95

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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.