Home / 101,499,917.27-140,069,989.49-55,090,180.76

Finding the Fourth Proportional to 101,499,917.27, 140,069,989.49 and 55,090,180.76

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Solution

The fourth proportional to 101,499,917.27, 140,069,989.49 and 55,090,180.76 is: 76,024,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,917.27 : 140,069,989.49 = 55,090,180.76 : x
  2. Step 2: Convert to fraction form
    101,499,917.27/140,069,989.49 = 55,090,180.76/x
  3. Step 3: Cross multiply
    101,499,917.27x = 140,069,989.49 × 55,090,180.76
  4. Step 4: Simplify right side
    101,499,917.27x = 7,716,481,040,055,400
  5. Step 5: Solve for x
    x = 7,716,481,040,055,400/101,499,917.27
  6. Step 6: Final answer
    x = 76,024,505.71

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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.