Home / 320,100,287.60-441,738,830.04-173,422,567.28

Finding the Fourth Proportional to 320,100,287.60, 441,738,830.04 and 173,422,567.28

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Solution

The fourth proportional to 320,100,287.60, 441,738,830.04 and 173,422,567.28 is: 239,323,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,100,287.60 : 441,738,830.04 = 173,422,567.28 : x
  2. Step 2: Convert to fraction form
    320,100,287.60/441,738,830.04 = 173,422,567.28/x
  3. Step 3: Cross multiply
    320,100,287.60x = 441,738,830.04 × 173,422,567.28
  4. Step 4: Simplify right side
    320,100,287.60x = 76,607,481,972,800,384
  5. Step 5: Solve for x
    x = 76,607,481,972,800,384/320,100,287.60
  6. Step 6: Final answer
    x = 239,323,377.52

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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.