Home / 205,763,560.86-309,877,080.84-187,396,959.90

Finding the Fourth Proportional to 205,763,560.86, 309,877,080.84 and 187,396,959.90

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Solution

The fourth proportional to 205,763,560.86, 309,877,080.84 and 187,396,959.90 is: 282,217,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,763,560.86 : 309,877,080.84 = 187,396,959.90 : x
  2. Step 2: Convert to fraction form
    205,763,560.86/309,877,080.84 = 187,396,959.90/x
  3. Step 3: Cross multiply
    205,763,560.86x = 309,877,080.84 × 187,396,959.90
  4. Step 4: Simplify right side
    205,763,560.86x = 58,070,022,892,102,536
  5. Step 5: Solve for x
    x = 58,070,022,892,102,536/205,763,560.86
  6. Step 6: Final answer
    x = 282,217,233.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.