Home / 80,174,297.70-120,266,905.50-25,590,992.12

Finding the Fourth Proportional to 80,174,297.70, 120,266,905.50 and 25,590,992.12

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Solution

The fourth proportional to 80,174,297.70, 120,266,905.50 and 25,590,992.12 is: 38,388,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174,297.70 : 120,266,905.50 = 25,590,992.12 : x
  2. Step 2: Convert to fraction form
    80,174,297.70/120,266,905.50 = 25,590,992.12/x
  3. Step 3: Cross multiply
    80,174,297.70x = 120,266,905.50 × 25,590,992.12
  4. Step 4: Simplify right side
    80,174,297.70x = 3,077,749,430,947,285
  5. Step 5: Solve for x
    x = 3,077,749,430,947,285/80,174,297.70
  6. Step 6: Final answer
    x = 38,388,230.63

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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.