Home / 320,142,898.44-441,802,215.54-187,986,817.08

Finding the Fourth Proportional to 320,142,898.44, 441,802,215.54 and 187,986,817.08

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Solution

The fourth proportional to 320,142,898.44, 441,802,215.54 and 187,986,817.08 is: 259,424,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,142,898.44 : 441,802,215.54 = 187,986,817.08 : x
  2. Step 2: Convert to fraction form
    320,142,898.44/441,802,215.54 = 187,986,817.08/x
  3. Step 3: Cross multiply
    320,142,898.44x = 441,802,215.54 × 187,986,817.08
  4. Step 4: Simplify right side
    320,142,898.44x = 83,052,992,278,256,720
  5. Step 5: Solve for x
    x = 83,052,992,278,256,720/320,142,898.44
  6. Step 6: Final answer
    x = 259,424,752.77

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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.