Home / 274,481,215.03-378,790,658.37-149,038,698.13

Finding the Fourth Proportional to 274,481,215.03, 378,790,658.37 and 149,038,698.13

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Solution

The fourth proportional to 274,481,215.03, 378,790,658.37 and 149,038,698.13 is: 205,676,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,481,215.03 : 378,790,658.37 = 149,038,698.13 : x
  2. Step 2: Convert to fraction form
    274,481,215.03/378,790,658.37 = 149,038,698.13/x
  3. Step 3: Cross multiply
    274,481,215.03x = 378,790,658.37 × 149,038,698.13
  4. Step 4: Simplify right side
    274,481,215.03x = 56,454,466,587,270,384
  5. Step 5: Solve for x
    x = 56,454,466,587,270,384/274,481,215.03
  6. Step 6: Final answer
    x = 205,676,977.13

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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.