Home / 178,038,080.80-267,057,121.20-147,804,992.80

Finding the Fourth Proportional to 178,038,080.80, 267,057,121.20 and 147,804,992.80

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Solution

The fourth proportional to 178,038,080.80, 267,057,121.20 and 147,804,992.80 is: 221,707,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,038,080.80 : 267,057,121.20 = 147,804,992.80 : x
  2. Step 2: Convert to fraction form
    178,038,080.80/267,057,121.20 = 147,804,992.80/x
  3. Step 3: Cross multiply
    178,038,080.80x = 267,057,121.20 × 147,804,992.80
  4. Step 4: Simplify right side
    178,038,080.80x = 39,472,375,876,154,728
  5. Step 5: Solve for x
    x = 39,472,375,876,154,728/178,038,080.80
  6. Step 6: Final answer
    x = 221,707,489.20

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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.