Home / 275,297,766.54-379,920,949.65-149,843,901.36

Finding the Fourth Proportional to 275,297,766.54, 379,920,949.65 and 149,843,901.36

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Solution

The fourth proportional to 275,297,766.54, 379,920,949.65 and 149,843,901.36 is: 206,790,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,297,766.54 : 379,920,949.65 = 149,843,901.36 : x
  2. Step 2: Convert to fraction form
    275,297,766.54/379,920,949.65 = 149,843,901.36/x
  3. Step 3: Cross multiply
    275,297,766.54x = 379,920,949.65 × 149,843,901.36
  4. Step 4: Simplify right side
    275,297,766.54x = 56,928,837,303,952,128
  5. Step 5: Solve for x
    x = 56,928,837,303,952,128/275,297,766.54
  6. Step 6: Final answer
    x = 206,790,044.17

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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.