Home / 222,598,652.52-307,187,847.92-122,126,434.57

Finding the Fourth Proportional to 222,598,652.52, 307,187,847.92 and 122,126,434.57

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Solution

The fourth proportional to 222,598,652.52, 307,187,847.92 and 122,126,434.57 is: 168,535,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,598,652.52 : 307,187,847.92 = 122,126,434.57 : x
  2. Step 2: Convert to fraction form
    222,598,652.52/307,187,847.92 = 122,126,434.57/x
  3. Step 3: Cross multiply
    222,598,652.52x = 307,187,847.92 × 122,126,434.57
  4. Step 4: Simplify right side
    222,598,652.52x = 37,515,756,609,700,992
  5. Step 5: Solve for x
    x = 37,515,756,609,700,992/222,598,652.52
  6. Step 6: Final answer
    x = 168,535,416.48

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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.