Home / 72,813,211.56-100,482,228.05-39,322,687.83

Finding the Fourth Proportional to 72,813,211.56, 100,482,228.05 and 39,322,687.83

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Solution

The fourth proportional to 72,813,211.56, 100,482,228.05 and 39,322,687.83 is: 54,265,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,211.56 : 100,482,228.05 = 39,322,687.83 : x
  2. Step 2: Convert to fraction form
    72,813,211.56/100,482,228.05 = 39,322,687.83/x
  3. Step 3: Cross multiply
    72,813,211.56x = 100,482,228.05 × 39,322,687.83
  4. Step 4: Simplify right side
    72,813,211.56x = 3,951,231,285,876,406
  5. Step 5: Solve for x
    x = 3,951,231,285,876,406/72,813,211.56
  6. Step 6: Final answer
    x = 54,265,307.09

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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.