Home / 172,460,990.11-258,691,496.44-137,754,898.33

Finding the Fourth Proportional to 172,460,990.11, 258,691,496.44 and 137,754,898.33

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Solution

The fourth proportional to 172,460,990.11, 258,691,496.44 and 137,754,898.33 is: 206,632,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,460,990.11 : 258,691,496.44 = 137,754,898.33 : x
  2. Step 2: Convert to fraction form
    172,460,990.11/258,691,496.44 = 137,754,898.33/x
  3. Step 3: Cross multiply
    172,460,990.11x = 258,691,496.44 × 137,754,898.33
  4. Step 4: Simplify right side
    172,460,990.11x = 35,636,020,789,528,916
  5. Step 5: Solve for x
    x = 35,636,020,789,528,916/172,460,990.11
  6. Step 6: Final answer
    x = 206,632,356.50

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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.