Home / 275,297,765.04-379,920,947.58-149,843,899.86

Finding the Fourth Proportional to 275,297,765.04, 379,920,947.58 and 149,843,899.86

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Solution

The fourth proportional to 275,297,765.04, 379,920,947.58 and 149,843,899.86 is: 206,790,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,297,765.04 : 379,920,947.58 = 149,843,899.86 : x
  2. Step 2: Convert to fraction form
    275,297,765.04/379,920,947.58 = 149,843,899.86/x
  3. Step 3: Cross multiply
    275,297,765.04x = 379,920,947.58 × 149,843,899.86
  4. Step 4: Simplify right side
    275,297,765.04x = 56,928,836,423,893,832
  5. Step 5: Solve for x
    x = 56,928,836,423,893,832/275,297,765.04
  6. Step 6: Final answer
    x = 206,790,042.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.