Home / 117,753,959.45-162,500,471.85-65,541,874.61

Finding the Fourth Proportional to 117,753,959.45, 162,500,471.85 and 65,541,874.61

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Solution

The fourth proportional to 117,753,959.45, 162,500,471.85 and 65,541,874.61 is: 90,447,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,959.45 : 162,500,471.85 = 65,541,874.61 : x
  2. Step 2: Convert to fraction form
    117,753,959.45/162,500,471.85 = 65,541,874.61/x
  3. Step 3: Cross multiply
    117,753,959.45x = 162,500,471.85 × 65,541,874.61
  4. Step 4: Simplify right side
    117,753,959.45x = 10,650,585,550,058,534
  5. Step 5: Solve for x
    x = 10,650,585,550,058,534/117,753,959.45
  6. Step 6: Final answer
    x = 90,447,791.31

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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.