Home / 419,904,043.20-629,557,466.40-161,019,230.40

Finding the Fourth Proportional to 419,904,043.20, 629,557,466.40 and 161,019,230.40

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Solution

The fourth proportional to 419,904,043.20, 629,557,466.40 and 161,019,230.40 is: 241,414,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,043.20 : 629,557,466.40 = 161,019,230.40 : x
  2. Step 2: Convert to fraction form
    419,904,043.20/629,557,466.40 = 161,019,230.40/x
  3. Step 3: Cross multiply
    419,904,043.20x = 629,557,466.40 × 161,019,230.40
  4. Step 4: Simplify right side
    419,904,043.20x = 101,370,858,732,301,856
  5. Step 5: Solve for x
    x = 101,370,858,732,301,856/419,904,043.20
  6. Step 6: Final answer
    x = 241,414,343.05

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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.