Home / 80,928,372.72-111,680,915.76-43,758,388.02

Finding the Fourth Proportional to 80,928,372.72, 111,680,915.76 and 43,758,388.02

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Solution

The fourth proportional to 80,928,372.72, 111,680,915.76 and 43,758,388.02 is: 60,386,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928,372.72 : 111,680,915.76 = 43,758,388.02 : x
  2. Step 2: Convert to fraction form
    80,928,372.72/111,680,915.76 = 43,758,388.02/x
  3. Step 3: Cross multiply
    80,928,372.72x = 111,680,915.76 × 43,758,388.02
  4. Step 4: Simplify right side
    80,928,372.72x = 4,886,976,846,255,014
  5. Step 5: Solve for x
    x = 4,886,976,846,255,014/80,928,372.72
  6. Step 6: Final answer
    x = 60,386,446.46

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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.