Home / 117,892,556.80-162,687,913.05-67,665,042.73

Finding the Fourth Proportional to 117,892,556.80, 162,687,913.05 and 67,665,042.73

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Solution

The fourth proportional to 117,892,556.80, 162,687,913.05 and 67,665,042.73 is: 93,375,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892,556.80 : 162,687,913.05 = 67,665,042.73 : x
  2. Step 2: Convert to fraction form
    117,892,556.80/162,687,913.05 = 67,665,042.73/x
  3. Step 3: Cross multiply
    117,892,556.80x = 162,687,913.05 × 67,665,042.73
  4. Step 4: Simplify right side
    117,892,556.80x = 11,008,284,588,639,880
  5. Step 5: Solve for x
    x = 11,008,284,588,639,880/117,892,556.80
  6. Step 6: Final answer
    x = 93,375,569.14

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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.