Home / 55,057,994.20-75,981,983.31-30,280,097.37

Finding the Fourth Proportional to 55,057,994.20, 75,981,983.31 and 30,280,097.37

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Solution

The fourth proportional to 55,057,994.20, 75,981,983.31 and 30,280,097.37 is: 41,787,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057,994.20 : 75,981,983.31 = 30,280,097.37 : x
  2. Step 2: Convert to fraction form
    55,057,994.20/75,981,983.31 = 30,280,097.37/x
  3. Step 3: Cross multiply
    55,057,994.20x = 75,981,983.31 × 30,280,097.37
  4. Step 4: Simplify right side
    55,057,994.20x = 2,300,741,852,992,515
  5. Step 5: Solve for x
    x = 2,300,741,852,992,515/55,057,994.20
  6. Step 6: Final answer
    x = 41,787,607.53

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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.