Home / 85,237,243.20-127,872,453.60-36,715,003.20

Finding the Fourth Proportional to 85,237,243.20, 127,872,453.60 and 36,715,003.20

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Solution

The fourth proportional to 85,237,243.20, 127,872,453.60 and 36,715,003.20 is: 55,079,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,237,243.20 : 127,872,453.60 = 36,715,003.20 : x
  2. Step 2: Convert to fraction form
    85,237,243.20/127,872,453.60 = 36,715,003.20/x
  3. Step 3: Cross multiply
    85,237,243.20x = 127,872,453.60 × 36,715,003.20
  4. Step 4: Simplify right side
    85,237,243.20x = 4,694,837,543,115,852
  5. Step 5: Solve for x
    x = 4,694,837,543,115,852/85,237,243.20
  6. Step 6: Final answer
    x = 55,079,650.24

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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.