Home / 118,922,256,005.40-178,383,384,008.10-83,589,507,408.60

Finding the Fourth Proportional to 118,922,256,005.40, 178,383,384,008.10 and 83,589,507,408.60

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Solution

The fourth proportional to 118,922,256,005.40, 178,383,384,008.10 and 83,589,507,408.60 is: 125,384,261,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,922,256,005.40 : 178,383,384,008.10 = 83,589,507,408.60 : x
  2. Step 2: Convert to fraction form
    118,922,256,005.40/178,383,384,008.10 = 83,589,507,408.60/x
  3. Step 3: Cross multiply
    118,922,256,005.40x = 178,383,384,008.10 × 83,589,507,408.60
  4. Step 4: Simplify right side
    118,922,256,005.40x = 14,910,979,199,116,215,582,720
  5. Step 5: Solve for x
    x = 14,910,979,199,116,215,582,720/118,922,256,005.40
  6. Step 6: Final answer
    x = 125,384,261,112.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.