Home / 205,057,721.92-307,246,927.20-144,175,996.48

Finding the Fourth Proportional to 205,057,721.92, 307,246,927.20 and 144,175,996.48

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Solution

The fourth proportional to 205,057,721.92, 307,246,927.20 and 144,175,996.48 is: 216,025,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,057,721.92 : 307,246,927.20 = 144,175,996.48 : x
  2. Step 2: Convert to fraction form
    205,057,721.92/307,246,927.20 = 144,175,996.48/x
  3. Step 3: Cross multiply
    205,057,721.92x = 307,246,927.20 × 144,175,996.48
  4. Step 4: Simplify right side
    205,057,721.92x = 44,297,631,894,478,008
  5. Step 5: Solve for x
    x = 44,297,631,894,478,008/205,057,721.92
  6. Step 6: Final answer
    x = 216,025,182.96

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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.