Home / 154,204,511.67-231,284,015.19-45,000,361.35

Finding the Fourth Proportional to 154,204,511.67, 231,284,015.19 and 45,000,361.35

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Solution

The fourth proportional to 154,204,511.67, 231,284,015.19 and 45,000,361.35 is: 67,493,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,511.67 : 231,284,015.19 = 45,000,361.35 : x
  2. Step 2: Convert to fraction form
    154,204,511.67/231,284,015.19 = 45,000,361.35/x
  3. Step 3: Cross multiply
    154,204,511.67x = 231,284,015.19 × 45,000,361.35
  4. Step 4: Simplify right side
    154,204,511.67x = 10,407,864,258,028,890
  5. Step 5: Solve for x
    x = 10,407,864,258,028,890/154,204,511.67
  6. Step 6: Final answer
    x = 67,493,902.39

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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.