Home / 72,813,212.56-100,482,229.43-39,322,688.83

Finding the Fourth Proportional to 72,813,212.56, 100,482,229.43 and 39,322,688.83

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Solution

The fourth proportional to 72,813,212.56, 100,482,229.43 and 39,322,688.83 is: 54,265,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,212.56 : 100,482,229.43 = 39,322,688.83 : x
  2. Step 2: Convert to fraction form
    72,813,212.56/100,482,229.43 = 39,322,688.83/x
  3. Step 3: Cross multiply
    72,813,212.56x = 100,482,229.43 × 39,322,688.83
  4. Step 4: Simplify right side
    72,813,212.56x = 3,951,231,440,820,558.50
  5. Step 5: Solve for x
    x = 3,951,231,440,820,558.50/72,813,212.56
  6. Step 6: Final answer
    x = 54,265,308.48

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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.