Home / 420,744,305.73-631,116,464.07-114,036,418.61

Finding the Fourth Proportional to 420,744,305.73, 631,116,464.07 and 114,036,418.61

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Solution

The fourth proportional to 420,744,305.73, 631,116,464.07 and 114,036,418.61 is: 171,054,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,744,305.73 : 631,116,464.07 = 114,036,418.61 : x
  2. Step 2: Convert to fraction form
    420,744,305.73/631,116,464.07 = 114,036,418.61/x
  3. Step 3: Cross multiply
    420,744,305.73x = 631,116,464.07 × 114,036,418.61
  4. Step 4: Simplify right side
    420,744,305.73x = 71,970,261,285,193,968
  5. Step 5: Solve for x
    x = 71,970,261,285,193,968/420,744,305.73
  6. Step 6: Final answer
    x = 171,054,629.39

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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.