Home / 136,340,083.43-188,153,958.11-80,633,256.83

Finding the Fourth Proportional to 136,340,083.43, 188,153,958.11 and 80,633,256.83

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Solution

The fourth proportional to 136,340,083.43, 188,153,958.11 and 80,633,256.83 is: 111,276,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,083.43 : 188,153,958.11 = 80,633,256.83 : x
  2. Step 2: Convert to fraction form
    136,340,083.43/188,153,958.11 = 80,633,256.83/x
  3. Step 3: Cross multiply
    136,340,083.43x = 188,153,958.11 × 80,633,256.83
  4. Step 4: Simplify right side
    136,340,083.43x = 15,171,466,428,095,264
  5. Step 5: Solve for x
    x = 15,171,466,428,095,264/136,340,083.43
  6. Step 6: Final answer
    x = 111,276,640.34

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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.