Home / 72,813,204.30-100,482,218.07-39,322,680.55

Finding the Fourth Proportional to 72,813,204.30, 100,482,218.07 and 39,322,680.55

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Solution

The fourth proportional to 72,813,204.30, 100,482,218.07 and 39,322,680.55 is: 54,265,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,204.30 : 100,482,218.07 = 39,322,680.55 : x
  2. Step 2: Convert to fraction form
    72,813,204.30/100,482,218.07 = 39,322,680.55/x
  3. Step 3: Cross multiply
    72,813,204.30x = 100,482,218.07 × 39,322,680.55
  4. Step 4: Simplify right side
    72,813,204.30x = 3,951,230,162,122,047
  5. Step 5: Solve for x
    x = 3,951,230,162,122,047/72,813,204.30
  6. Step 6: Final answer
    x = 54,265,297.07

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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.