Home / 274,487,453.94-378,793,135.20-149,039,892.48

Finding the Fourth Proportional to 274,487,453.94, 378,793,135.20 and 149,039,892.48

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Solution

The fourth proportional to 274,487,453.94, 378,793,135.20 and 149,039,892.48 is: 205,675,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,487,453.94 : 378,793,135.20 = 149,039,892.48 : x
  2. Step 2: Convert to fraction form
    274,487,453.94/378,793,135.20 = 149,039,892.48/x
  3. Step 3: Cross multiply
    274,487,453.94x = 378,793,135.20 × 149,039,892.48
  4. Step 4: Simplify right side
    274,487,453.94x = 56,455,288,141,436,576
  5. Step 5: Solve for x
    x = 56,455,288,141,436,576/274,487,453.94
  6. Step 6: Final answer
    x = 205,675,295.28

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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.