Home / 80,829,642.51-111,544,951.41-43,659,922.61

Finding the Fourth Proportional to 80,829,642.51, 111,544,951.41 and 43,659,922.61

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Solution

The fourth proportional to 80,829,642.51, 111,544,951.41 and 43,659,922.61 is: 60,250,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829,642.51 : 111,544,951.41 = 43,659,922.61 : x
  2. Step 2: Convert to fraction form
    80,829,642.51/111,544,951.41 = 43,659,922.61/x
  3. Step 3: Cross multiply
    80,829,642.51x = 111,544,951.41 × 43,659,922.61
  4. Step 4: Simplify right side
    80,829,642.51x = 4,870,043,946,096,810
  5. Step 5: Solve for x
    x = 4,870,043,946,096,810/80,829,642.51
  6. Step 6: Final answer
    x = 60,250,717.37

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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.