Home / 117,753,958.45-162,500,470.47-65,541,873.61

Finding the Fourth Proportional to 117,753,958.45, 162,500,470.47 and 65,541,873.61

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Solution

The fourth proportional to 117,753,958.45, 162,500,470.47 and 65,541,873.61 is: 90,447,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,958.45 : 162,500,470.47 = 65,541,873.61 : x
  2. Step 2: Convert to fraction form
    117,753,958.45/162,500,470.47 = 65,541,873.61/x
  3. Step 3: Cross multiply
    117,753,958.45x = 162,500,470.47 × 65,541,873.61
  4. Step 4: Simplify right side
    117,753,958.45x = 10,650,585,295,970,066
  5. Step 5: Solve for x
    x = 10,650,585,295,970,066/117,753,958.45
  6. Step 6: Final answer
    x = 90,447,789.92

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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.