Home / 121,945,097.87-182,953,579.21-49,124,405.78

Finding the Fourth Proportional to 121,945,097.87, 182,953,579.21 and 49,124,405.78

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Solution

The fourth proportional to 121,945,097.87, 182,953,579.21 and 49,124,405.78 is: 73,701,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,945,097.87 : 182,953,579.21 = 49,124,405.78 : x
  2. Step 2: Convert to fraction form
    121,945,097.87/182,953,579.21 = 49,124,405.78/x
  3. Step 3: Cross multiply
    121,945,097.87x = 182,953,579.21 × 49,124,405.78
  4. Step 4: Simplify right side
    121,945,097.87x = 8,987,485,863,100,644
  5. Step 5: Solve for x
    x = 8,987,485,863,100,644/121,945,097.87
  6. Step 6: Final answer
    x = 73,701,083.69

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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.