Home / 251,293,085.40-376,939,628.10-186,723,003.90

Finding the Fourth Proportional to 251,293,085.40, 376,939,628.10 and 186,723,003.90

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Solution

The fourth proportional to 251,293,085.40, 376,939,628.10 and 186,723,003.90 is: 280,084,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,293,085.40 : 376,939,628.10 = 186,723,003.90 : x
  2. Step 2: Convert to fraction form
    251,293,085.40/376,939,628.10 = 186,723,003.90/x
  3. Step 3: Cross multiply
    251,293,085.40x = 376,939,628.10 × 186,723,003.90
  4. Step 4: Simplify right side
    251,293,085.40x = 70,383,299,647,780,856
  5. Step 5: Solve for x
    x = 70,383,299,647,780,856/251,293,085.40
  6. Step 6: Final answer
    x = 280,084,505.85

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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.