Home / 159,037,093.80-238,555,640.70-128,804,005.80

Finding the Fourth Proportional to 159,037,093.80, 238,555,640.70 and 128,804,005.80

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Solution

The fourth proportional to 159,037,093.80, 238,555,640.70 and 128,804,005.80 is: 193,206,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,037,093.80 : 238,555,640.70 = 128,804,005.80 : x
  2. Step 2: Convert to fraction form
    159,037,093.80/238,555,640.70 = 128,804,005.80/x
  3. Step 3: Cross multiply
    159,037,093.80x = 238,555,640.70 × 128,804,005.80
  4. Step 4: Simplify right side
    159,037,093.80x = 30,726,922,128,345,512
  5. Step 5: Solve for x
    x = 30,726,922,128,345,512/159,037,093.80
  6. Step 6: Final answer
    x = 193,206,008.70

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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.