Home / 403,272,359.82-605,016,187.67-144,513,736.92

Finding the Fourth Proportional to 403,272,359.82, 605,016,187.67 and 144,513,736.92

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Solution

The fourth proportional to 403,272,359.82, 605,016,187.67 and 144,513,736.92 is: 216,809,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,272,359.82 : 605,016,187.67 = 144,513,736.92 : x
  2. Step 2: Convert to fraction form
    403,272,359.82/605,016,187.67 = 144,513,736.92/x
  3. Step 3: Cross multiply
    403,272,359.82x = 605,016,187.67 × 144,513,736.92
  4. Step 4: Simplify right side
    403,272,359.82x = 87,433,150,176,561,152
  5. Step 5: Solve for x
    x = 87,433,150,176,561,152/403,272,359.82
  6. Step 6: Final answer
    x = 216,809,181.31

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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.