Home / 101,164,311.35-139,591,890.52-56,504,781.09

Finding the Fourth Proportional to 101,164,311.35, 139,591,890.52 and 56,504,781.09

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Solution

The fourth proportional to 101,164,311.35, 139,591,890.52 and 56,504,781.09 is: 77,968,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,164,311.35 : 139,591,890.52 = 56,504,781.09 : x
  2. Step 2: Convert to fraction form
    101,164,311.35/139,591,890.52 = 56,504,781.09/x
  3. Step 3: Cross multiply
    101,164,311.35x = 139,591,890.52 × 56,504,781.09
  4. Step 4: Simplify right side
    101,164,311.35x = 7,887,609,215,771,847
  5. Step 5: Solve for x
    x = 7,887,609,215,771,847/101,164,311.35
  6. Step 6: Final answer
    x = 77,968,298.41

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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.