Home / 100,056,085.76-138,163,571.60-62,948,217.92

Finding the Fourth Proportional to 100,056,085.76, 138,163,571.60 and 62,948,217.92

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Solution

The fourth proportional to 100,056,085.76, 138,163,571.60 and 62,948,217.92 is: 86,922,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,056,085.76 : 138,163,571.60 = 62,948,217.92 : x
  2. Step 2: Convert to fraction form
    100,056,085.76/138,163,571.60 = 62,948,217.92/x
  3. Step 3: Cross multiply
    100,056,085.76x = 138,163,571.60 × 62,948,217.92
  4. Step 4: Simplify right side
    100,056,085.76x = 8,697,150,613,682,323
  5. Step 5: Solve for x
    x = 8,697,150,613,682,323/100,056,085.76
  6. Step 6: Final answer
    x = 86,922,754.85

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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.