Home / 101,500,861.12-140,070,833.76-55,091,112.64

Finding the Fourth Proportional to 101,500,861.12, 140,070,833.76 and 55,091,112.64

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Solution

The fourth proportional to 101,500,861.12, 140,070,833.76 and 55,091,112.64 is: 76,025,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,500,861.12 : 140,070,833.76 = 55,091,112.64 : x
  2. Step 2: Convert to fraction form
    101,500,861.12/140,070,833.76 = 55,091,112.64/x
  3. Step 3: Cross multiply
    101,500,861.12x = 140,070,833.76 × 55,091,112.64
  4. Step 4: Simplify right side
    101,500,861.12x = 7,716,658,080,250,874
  5. Step 5: Solve for x
    x = 7,716,658,080,250,874/101,500,861.12
  6. Step 6: Final answer
    x = 76,025,542.99

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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.