Home / 172,460,988.32-258,691,493.73-137,754,896.54

Finding the Fourth Proportional to 172,460,988.32, 258,691,493.73 and 137,754,896.54

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Solution

The fourth proportional to 172,460,988.32, 258,691,493.73 and 137,754,896.54 is: 206,632,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,460,988.32 : 258,691,493.73 = 137,754,896.54 : x
  2. Step 2: Convert to fraction form
    172,460,988.32/258,691,493.73 = 137,754,896.54/x
  3. Step 3: Cross multiply
    172,460,988.32x = 258,691,493.73 × 137,754,896.54
  4. Step 4: Simplify right side
    172,460,988.32x = 35,636,019,954,554,204
  5. Step 5: Solve for x
    x = 35,636,019,954,554,204/172,460,988.32
  6. Step 6: Final answer
    x = 206,632,353.80

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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.