Home / 240,027,310.80-331,239,278.88-130,019,022.72

Finding the Fourth Proportional to 240,027,310.80, 331,239,278.88 and 130,019,022.72

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Solution

The fourth proportional to 240,027,310.80, 331,239,278.88 and 130,019,022.72 is: 179,427,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,027,310.80 : 331,239,278.88 = 130,019,022.72 : x
  2. Step 2: Convert to fraction form
    240,027,310.80/331,239,278.88 = 130,019,022.72/x
  3. Step 3: Cross multiply
    240,027,310.80x = 331,239,278.88 × 130,019,022.72
  4. Step 4: Simplify right side
    240,027,310.80x = 43,067,407,326,455,136
  5. Step 5: Solve for x
    x = 43,067,407,326,455,136/240,027,310.80
  6. Step 6: Final answer
    x = 179,427,112.62

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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.