Home / 240,542,936.56-331,949,255-130,534,649.56

Finding the Fourth Proportional to 240,542,936.56, 331,949,255 and 130,534,649.56

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Solution

The fourth proportional to 240,542,936.56, 331,949,255 and 130,534,649.56 is: 180,137,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,542,936.56 : 331,949,255 = 130,534,649.56 : x
  2. Step 2: Convert to fraction form
    240,542,936.56/331,949,255 = 130,534,649.56/x
  3. Step 3: Cross multiply
    240,542,936.56x = 331,949,255 × 130,534,649.56
  4. Step 4: Simplify right side
    240,542,936.56x = 43,330,879,673,128,080
  5. Step 5: Solve for x
    x = 43,330,879,673,128,080/240,542,936.56
  6. Step 6: Final answer
    x = 180,137,817.78

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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.