Home / 269,139,083.20-371,412,097.56-145,379,815

Finding the Fourth Proportional to 269,139,083.20, 371,412,097.56 and 145,379,815

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Solution

The fourth proportional to 269,139,083.20, 371,412,097.56 and 145,379,815 is: 200,624,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,139,083.20 : 371,412,097.56 = 145,379,815 : x
  2. Step 2: Convert to fraction form
    269,139,083.20/371,412,097.56 = 145,379,815/x
  3. Step 3: Cross multiply
    269,139,083.20x = 371,412,097.56 × 145,379,815
  4. Step 4: Simplify right side
    269,139,083.20x = 53,995,822,032,034,752
  5. Step 5: Solve for x
    x = 53,995,822,032,034,752/269,139,083.20
  6. Step 6: Final answer
    x = 200,624,232.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.