Home / 251,216,799.90-376,843,198.01-66,983,310.96

Finding the Fourth Proportional to 251,216,799.90, 376,843,198.01 and 66,983,310.96

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Solution

The fourth proportional to 251,216,799.90, 376,843,198.01 and 66,983,310.96 is: 100,479,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,216,799.90 : 376,843,198.01 = 66,983,310.96 : x
  2. Step 2: Convert to fraction form
    251,216,799.90/376,843,198.01 = 66,983,310.96/x
  3. Step 3: Cross multiply
    251,216,799.90x = 376,843,198.01 × 66,983,310.96
  4. Step 4: Simplify right side
    251,216,799.90x = 25,242,205,115,129,768
  5. Step 5: Solve for x
    x = 25,242,205,115,129,768/251,216,799.90
  6. Step 6: Final answer
    x = 100,479,765.39

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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.