Home / 154,664,884.72-231,947,705.56-51,010,785.20

Finding the Fourth Proportional to 154,664,884.72, 231,947,705.56 and 51,010,785.20

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Solution

The fourth proportional to 154,664,884.72, 231,947,705.56 and 51,010,785.20 is: 76,499,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,664,884.72 : 231,947,705.56 = 51,010,785.20 : x
  2. Step 2: Convert to fraction form
    154,664,884.72/231,947,705.56 = 51,010,785.20/x
  3. Step 3: Cross multiply
    154,664,884.72x = 231,947,705.56 × 51,010,785.20
  4. Step 4: Simplify right side
    154,664,884.72x = 11,831,834,585,954,006
  5. Step 5: Solve for x
    x = 11,831,834,585,954,006/154,664,884.72
  6. Step 6: Final answer
    x = 76,499,811.88

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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.