Home / 54,451,553.10-81,677,329.65-42,122,121.90

Finding the Fourth Proportional to 54,451,553.10, 81,677,329.65 and 42,122,121.90

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Solution

The fourth proportional to 54,451,553.10, 81,677,329.65 and 42,122,121.90 is: 63,183,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451,553.10 : 81,677,329.65 = 42,122,121.90 : x
  2. Step 2: Convert to fraction form
    54,451,553.10/81,677,329.65 = 42,122,121.90/x
  3. Step 3: Cross multiply
    54,451,553.10x = 81,677,329.65 × 42,122,121.90
  4. Step 4: Simplify right side
    54,451,553.10x = 3,440,422,435,983,784.50
  5. Step 5: Solve for x
    x = 3,440,422,435,983,784.50/54,451,553.10
  6. Step 6: Final answer
    x = 63,183,182.85

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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.