Home / 100,110,105-138,151,944.90-54,325,017

Finding the Fourth Proportional to 100,110,105, 138,151,944.90 and 54,325,017

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Solution

The fourth proportional to 100,110,105, 138,151,944.90 and 54,325,017 is: 74,968,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,110,105 : 138,151,944.90 = 54,325,017 : x
  2. Step 2: Convert to fraction form
    100,110,105/138,151,944.90 = 54,325,017/x
  3. Step 3: Cross multiply
    100,110,105x = 138,151,944.90 × 54,325,017
  4. Step 4: Simplify right side
    100,110,105x = 7,505,106,755,275,564
  5. Step 5: Solve for x
    x = 7,505,106,755,275,564/100,110,105
  6. Step 6: Final answer
    x = 74,968,523.46

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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.