Home / 159,037,091.80-238,555,637.70-128,804,003.80

Finding the Fourth Proportional to 159,037,091.80, 238,555,637.70 and 128,804,003.80

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Solution

The fourth proportional to 159,037,091.80, 238,555,637.70 and 128,804,003.80 is: 193,206,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,037,091.80 : 238,555,637.70 = 128,804,003.80 : x
  2. Step 2: Convert to fraction form
    159,037,091.80/238,555,637.70 = 128,804,003.80/x
  3. Step 3: Cross multiply
    159,037,091.80x = 238,555,637.70 × 128,804,003.80
  4. Step 4: Simplify right side
    159,037,091.80x = 30,726,921,264,822,220
  5. Step 5: Solve for x
    x = 30,726,921,264,822,220/159,037,091.80
  6. Step 6: Final answer
    x = 193,206,005.70

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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.