Home / 320,616,326.48-442,451,388.04-173,938,610.48

Finding the Fourth Proportional to 320,616,326.48, 442,451,388.04 and 173,938,610.48

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Solution

The fourth proportional to 320,616,326.48, 442,451,388.04 and 173,938,610.48 is: 240,035,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,616,326.48 : 442,451,388.04 = 173,938,610.48 : x
  2. Step 2: Convert to fraction form
    320,616,326.48/442,451,388.04 = 173,938,610.48/x
  3. Step 3: Cross multiply
    320,616,326.48x = 442,451,388.04 × 173,938,610.48
  4. Step 4: Simplify right side
    320,616,326.48x = 76,959,379,640,624,896
  5. Step 5: Solve for x
    x = 76,959,379,640,624,896/320,616,326.48
  6. Step 6: Final answer
    x = 240,035,747.67

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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.