Home / 69,166,612.80-103,647,321.36-28,175,977.98

Finding the Fourth Proportional to 69,166,612.80, 103,647,321.36 and 28,175,977.98

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Solution

The fourth proportional to 69,166,612.80, 103,647,321.36 and 28,175,977.98 is: 42,222,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,166,612.80 : 103,647,321.36 = 28,175,977.98 : x
  2. Step 2: Convert to fraction form
    69,166,612.80/103,647,321.36 = 28,175,977.98/x
  3. Step 3: Cross multiply
    69,166,612.80x = 103,647,321.36 × 28,175,977.98
  4. Step 4: Simplify right side
    69,166,612.80x = 2,920,364,644,325,343.50
  5. Step 5: Solve for x
    x = 2,920,364,644,325,343.50/69,166,612.80
  6. Step 6: Final answer
    x = 42,222,172.32

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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.