Home / 71,279,076.94-98,365,126.17-38,684,028.94

Finding the Fourth Proportional to 71,279,076.94, 98,365,126.17 and 38,684,028.94

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Solution

The fourth proportional to 71,279,076.94, 98,365,126.17 and 38,684,028.94 is: 53,383,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279,076.94 : 98,365,126.17 = 38,684,028.94 : x
  2. Step 2: Convert to fraction form
    71,279,076.94/98,365,126.17 = 38,684,028.94/x
  3. Step 3: Cross multiply
    71,279,076.94x = 98,365,126.17 × 38,684,028.94
  4. Step 4: Simplify right side
    71,279,076.94x = 3,805,159,387,346,183.50
  5. Step 5: Solve for x
    x = 3,805,159,387,346,183.50/71,279,076.94
  6. Step 6: Final answer
    x = 53,383,959.93

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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.