Home / 178,045,274.70-267,067,912.05-132,128,772.30

Finding the Fourth Proportional to 178,045,274.70, 267,067,912.05 and 132,128,772.30

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Solution

The fourth proportional to 178,045,274.70, 267,067,912.05 and 132,128,772.30 is: 198,193,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045,274.70 : 267,067,912.05 = 132,128,772.30 : x
  2. Step 2: Convert to fraction form
    178,045,274.70/267,067,912.05 = 132,128,772.30/x
  3. Step 3: Cross multiply
    178,045,274.70x = 267,067,912.05 × 132,128,772.30
  4. Step 4: Simplify right side
    178,045,274.70x = 35,287,355,339,890,876
  5. Step 5: Solve for x
    x = 35,287,355,339,890,876/178,045,274.70
  6. Step 6: Final answer
    x = 198,193,158.45

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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.