Home / 218,569,297.36-301,662,945.78-130,467,839.44

Finding the Fourth Proportional to 218,569,297.36, 301,662,945.78 and 130,467,839.44

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Solution

The fourth proportional to 218,569,297.36, 301,662,945.78 and 130,467,839.44 is: 180,067,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,569,297.36 : 301,662,945.78 = 130,467,839.44 : x
  2. Step 2: Convert to fraction form
    218,569,297.36/301,662,945.78 = 130,467,839.44/x
  3. Step 3: Cross multiply
    218,569,297.36x = 301,662,945.78 × 130,467,839.44
  4. Step 4: Simplify right side
    218,569,297.36x = 39,357,312,775,022,464
  5. Step 5: Solve for x
    x = 39,357,312,775,022,464/218,569,297.36
  6. Step 6: Final answer
    x = 180,067,892.66

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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.