Home / 80,198,886-110,655,491.79-45,391,576.44

Finding the Fourth Proportional to 80,198,886, 110,655,491.79 and 45,391,576.44

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Solution

The fourth proportional to 80,198,886, 110,655,491.79 and 45,391,576.44 is: 62,629,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198,886 : 110,655,491.79 = 45,391,576.44 : x
  2. Step 2: Convert to fraction form
    80,198,886/110,655,491.79 = 45,391,576.44/x
  3. Step 3: Cross multiply
    80,198,886x = 110,655,491.79 × 45,391,576.44
  4. Step 4: Simplify right side
    80,198,886x = 5,022,827,214,091,577
  5. Step 5: Solve for x
    x = 5,022,827,214,091,577/80,198,886
  6. Step 6: Final answer
    x = 62,629,638.20

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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.