Home / 72,941,761.33-100,659,329.66-39,451,277.79

Finding the Fourth Proportional to 72,941,761.33, 100,659,329.66 and 39,451,277.79

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Solution

The fourth proportional to 72,941,761.33, 100,659,329.66 and 39,451,277.79 is: 54,442,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,941,761.33 : 100,659,329.66 = 39,451,277.79 : x
  2. Step 2: Convert to fraction form
    72,941,761.33/100,659,329.66 = 39,451,277.79/x
  3. Step 3: Cross multiply
    72,941,761.33x = 100,659,329.66 × 39,451,277.79
  4. Step 4: Simplify right side
    72,941,761.33x = 3,971,139,176,068,549
  5. Step 5: Solve for x
    x = 3,971,139,176,068,549/72,941,761.33
  6. Step 6: Final answer
    x = 54,442,600.56

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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.