Home / 179,613,907.40-269,420,861.10-115,043,825.90

Finding the Fourth Proportional to 179,613,907.40, 269,420,861.10 and 115,043,825.90

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Solution

The fourth proportional to 179,613,907.40, 269,420,861.10 and 115,043,825.90 is: 172,565,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,613,907.40 : 269,420,861.10 = 115,043,825.90 : x
  2. Step 2: Convert to fraction form
    179,613,907.40/269,420,861.10 = 115,043,825.90/x
  3. Step 3: Cross multiply
    179,613,907.40x = 269,420,861.10 × 115,043,825.90
  4. Step 4: Simplify right side
    179,613,907.40x = 30,995,206,638,216,488
  5. Step 5: Solve for x
    x = 30,995,206,638,216,488/179,613,907.40
  6. Step 6: Final answer
    x = 172,565,738.85

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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.