Home / 178,045,285.20-267,067,927.80-132,128,782.80

Finding the Fourth Proportional to 178,045,285.20, 267,067,927.80 and 132,128,782.80

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Solution

The fourth proportional to 178,045,285.20, 267,067,927.80 and 132,128,782.80 is: 198,193,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045,285.20 : 267,067,927.80 = 132,128,782.80 : x
  2. Step 2: Convert to fraction form
    178,045,285.20/267,067,927.80 = 132,128,782.80/x
  3. Step 3: Cross multiply
    178,045,285.20x = 267,067,927.80 × 132,128,782.80
  4. Step 4: Simplify right side
    178,045,285.20x = 35,287,360,225,132,284
  5. Step 5: Solve for x
    x = 35,287,360,225,132,284/178,045,285.20
  6. Step 6: Final answer
    x = 198,193,174.20

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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.