Home / 118,568,735.25-163,642,039.10-68,323,178.54

Finding the Fourth Proportional to 118,568,735.25, 163,642,039.10 and 68,323,178.54

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Solution

The fourth proportional to 118,568,735.25, 163,642,039.10 and 68,323,178.54 is: 94,295,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568,735.25 : 163,642,039.10 = 68,323,178.54 : x
  2. Step 2: Convert to fraction form
    118,568,735.25/163,642,039.10 = 68,323,178.54/x
  3. Step 3: Cross multiply
    118,568,735.25x = 163,642,039.10 × 68,323,178.54
  4. Step 4: Simplify right side
    118,568,735.25x = 11,180,544,252,919,134
  5. Step 5: Solve for x
    x = 11,180,544,252,919,134/118,568,735.25
  6. Step 6: Final answer
    x = 94,295,888.62

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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.