Home / 56,512,997.70-84,769,496.55-20,162,433.30

Finding the Fourth Proportional to 56,512,997.70, 84,769,496.55 and 20,162,433.30

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Solution

The fourth proportional to 56,512,997.70, 84,769,496.55 and 20,162,433.30 is: 30,243,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512,997.70 : 84,769,496.55 = 20,162,433.30 : x
  2. Step 2: Convert to fraction form
    56,512,997.70/84,769,496.55 = 20,162,433.30/x
  3. Step 3: Cross multiply
    56,512,997.70x = 84,769,496.55 × 20,162,433.30
  4. Step 4: Simplify right side
    56,512,997.70x = 1,709,159,320,063,955
  5. Step 5: Solve for x
    x = 1,709,159,320,063,955/56,512,997.70
  6. Step 6: Final answer
    x = 30,243,649.95

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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.