Home / 251,080,363.20-376,620,544.80-89,463,979.20

Finding the Fourth Proportional to 251,080,363.20, 376,620,544.80 and 89,463,979.20

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Solution

The fourth proportional to 251,080,363.20, 376,620,544.80 and 89,463,979.20 is: 134,195,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,080,363.20 : 376,620,544.80 = 89,463,979.20 : x
  2. Step 2: Convert to fraction form
    251,080,363.20/376,620,544.80 = 89,463,979.20/x
  3. Step 3: Cross multiply
    251,080,363.20x = 376,620,544.80 × 89,463,979.20
  4. Step 4: Simplify right side
    251,080,363.20x = 33,693,972,586,279,872
  5. Step 5: Solve for x
    x = 33,693,972,586,279,872/251,080,363.20
  6. Step 6: Final answer
    x = 134,195,968.80

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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.