Home / 71,901,295.20-107,852,730.24-20,783,757.12

Finding the Fourth Proportional to 71,901,295.20, 107,852,730.24 and 20,783,757.12

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Solution

The fourth proportional to 71,901,295.20, 107,852,730.24 and 20,783,757.12 is: 31,175,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,901,295.20 : 107,852,730.24 = 20,783,757.12 : x
  2. Step 2: Convert to fraction form
    71,901,295.20/107,852,730.24 = 20,783,757.12/x
  3. Step 3: Cross multiply
    71,901,295.20x = 107,852,730.24 × 20,783,757.12
  4. Step 4: Simplify right side
    71,901,295.20x = 2,241,584,950,037,039.25
  5. Step 5: Solve for x
    x = 2,241,584,950,037,039.25/71,901,295.20
  6. Step 6: Final answer
    x = 31,175,863.30

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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.