Home / 231,787,011,856.70-347,680,517,785.05-82,895,100,074.30

Finding the Fourth Proportional to 231,787,011,856.70, 347,680,517,785.05 and 82,895,100,074.30

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Solution

The fourth proportional to 231,787,011,856.70, 347,680,517,785.05 and 82,895,100,074.30 is: 124,342,650,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,011,856.70 : 347,680,517,785.05 = 82,895,100,074.30 : x
  2. Step 2: Convert to fraction form
    231,787,011,856.70/347,680,517,785.05 = 82,895,100,074.30/x
  3. Step 3: Cross multiply
    231,787,011,856.70x = 347,680,517,785.05 × 82,895,100,074.30
  4. Step 4: Simplify right side
    231,787,011,856.70x = 28,821,011,315,676,162,293,760
  5. Step 5: Solve for x
    x = 28,821,011,315,676,162,293,760/231,787,011,856.70
  6. Step 6: Final answer
    x = 124,342,650,111.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.