Home / 154,543,732.80-231,815,599.20-69,609,076.80

Finding the Fourth Proportional to 154,543,732.80, 231,815,599.20 and 69,609,076.80

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Solution

The fourth proportional to 154,543,732.80, 231,815,599.20 and 69,609,076.80 is: 104,413,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,543,732.80 : 231,815,599.20 = 69,609,076.80 : x
  2. Step 2: Convert to fraction form
    154,543,732.80/231,815,599.20 = 69,609,076.80/x
  3. Step 3: Cross multiply
    154,543,732.80x = 231,815,599.20 × 69,609,076.80
  4. Step 4: Simplify right side
    154,543,732.80x = 16,136,469,848,150,818
  5. Step 5: Solve for x
    x = 16,136,469,848,150,818/154,543,732.80
  6. Step 6: Final answer
    x = 104,413,615.20

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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.