Home / 320,616,324.48-442,451,385.28-173,938,608.48

Finding the Fourth Proportional to 320,616,324.48, 442,451,385.28 and 173,938,608.48

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Solution

The fourth proportional to 320,616,324.48, 442,451,385.28 and 173,938,608.48 is: 240,035,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,616,324.48 : 442,451,385.28 = 173,938,608.48 : x
  2. Step 2: Convert to fraction form
    320,616,324.48/442,451,385.28 = 173,938,608.48/x
  3. Step 3: Cross multiply
    320,616,324.48x = 442,451,385.28 × 173,938,608.48
  4. Step 4: Simplify right side
    320,616,324.48x = 76,959,378,275,651,552
  5. Step 5: Solve for x
    x = 76,959,378,275,651,552/320,616,324.48
  6. Step 6: Final answer
    x = 240,035,744.91

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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.