Home / 81,669,834.56-122,522,915.84-35,619,149.76

Finding the Fourth Proportional to 81,669,834.56, 122,522,915.84 and 35,619,149.76

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Solution

The fourth proportional to 81,669,834.56, 122,522,915.84 and 35,619,149.76 is: 53,436,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,669,834.56 : 122,522,915.84 = 35,619,149.76 : x
  2. Step 2: Convert to fraction form
    81,669,834.56/122,522,915.84 = 35,619,149.76/x
  3. Step 3: Cross multiply
    81,669,834.56x = 122,522,915.84 × 35,619,149.76
  4. Step 4: Simplify right side
    81,669,834.56x = 4,364,162,088,336,836
  5. Step 5: Solve for x
    x = 4,364,162,088,336,836/81,669,834.56
  6. Step 6: Final answer
    x = 53,436,646.61

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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.