Home / 80,171,750.60-120,256,576.14-19,588,001.48

Finding the Fourth Proportional to 80,171,750.60, 120,256,576.14 and 19,588,001.48

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Solution

The fourth proportional to 80,171,750.60, 120,256,576.14 and 19,588,001.48 is: 29,381,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,171,750.60 : 120,256,576.14 = 19,588,001.48 : x
  2. Step 2: Convert to fraction form
    80,171,750.60/120,256,576.14 = 19,588,001.48/x
  3. Step 3: Cross multiply
    80,171,750.60x = 120,256,576.14 × 19,588,001.48
  4. Step 4: Simplify right side
    80,171,750.60x = 2,355,585,991,410,053
  5. Step 5: Solve for x
    x = 2,355,585,991,410,053/80,171,750.60
  6. Step 6: Final answer
    x = 29,381,745.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.