Home / 81,480,998.97-122,275,343.79-38,362,533.39

Finding the Fourth Proportional to 81,480,998.97, 122,275,343.79 and 38,362,533.39

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Solution

The fourth proportional to 81,480,998.97, 122,275,343.79 and 38,362,533.39 is: 57,569,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,480,998.97 : 122,275,343.79 = 38,362,533.39 : x
  2. Step 2: Convert to fraction form
    81,480,998.97/122,275,343.79 = 38,362,533.39/x
  3. Step 3: Cross multiply
    81,480,998.97x = 122,275,343.79 × 38,362,533.39
  4. Step 4: Simplify right side
    81,480,998.97x = 4,690,791,958,917,604
  5. Step 5: Solve for x
    x = 4,690,791,958,917,604/81,480,998.97
  6. Step 6: Final answer
    x = 57,569,151.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.