Home / 298,765,167.80-412,297,730.51-166,614,519.11

Finding the Fourth Proportional to 298,765,167.80, 412,297,730.51 and 166,614,519.11

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Solution

The fourth proportional to 298,765,167.80, 412,297,730.51 and 166,614,519.11 is: 229,929,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,765,167.80 : 412,297,730.51 = 166,614,519.11 : x
  2. Step 2: Convert to fraction form
    298,765,167.80/412,297,730.51 = 166,614,519.11/x
  3. Step 3: Cross multiply
    298,765,167.80x = 412,297,730.51 × 166,614,519.11
  4. Step 4: Simplify right side
    298,765,167.80x = 68,694,788,096,173,456
  5. Step 5: Solve for x
    x = 68,694,788,096,173,456/298,765,167.80
  6. Step 6: Final answer
    x = 229,929,039.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.