Home / 101,500,919.64-140,067,516.36-55,090,177.20

Finding the Fourth Proportional to 101,500,919.64, 140,067,516.36 and 55,090,177.20

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Solution

The fourth proportional to 101,500,919.64, 140,067,516.36 and 55,090,177.20 is: 76,022,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,500,919.64 : 140,067,516.36 = 55,090,177.20 : x
  2. Step 2: Convert to fraction form
    101,500,919.64/140,067,516.36 = 55,090,177.20/x
  3. Step 3: Cross multiply
    101,500,919.64x = 140,067,516.36 × 55,090,177.20
  4. Step 4: Simplify right side
    101,500,919.64x = 7,716,344,296,236,300
  5. Step 5: Solve for x
    x = 7,716,344,296,236,300/101,500,919.64
  6. Step 6: Final answer
    x = 76,022,407.71

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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.