Home / 72,773,727.87-100,436,551.79-41,419,400.61

Finding the Fourth Proportional to 72,773,727.87, 100,436,551.79 and 41,419,400.61

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Solution

The fourth proportional to 72,773,727.87, 100,436,551.79 and 41,419,400.61 is: 57,163,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773,727.87 : 100,436,551.79 = 41,419,400.61 : x
  2. Step 2: Convert to fraction form
    72,773,727.87/100,436,551.79 = 41,419,400.61/x
  3. Step 3: Cross multiply
    72,773,727.87x = 100,436,551.79 × 41,419,400.61
  4. Step 4: Simplify right side
    72,773,727.87x = 4,160,021,774,269,925.50
  5. Step 5: Solve for x
    x = 4,160,021,774,269,925.50/72,773,727.87
  6. Step 6: Final answer
    x = 57,163,785.56

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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.