Home / 328,970,185.92-492,936,162.84-121,422,933.36

Finding the Fourth Proportional to 328,970,185.92, 492,936,162.84 and 121,422,933.36

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Solution

The fourth proportional to 328,970,185.92, 492,936,162.84 and 121,422,933.36 is: 181,942,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,970,185.92 : 492,936,162.84 = 121,422,933.36 : x
  2. Step 2: Convert to fraction form
    328,970,185.92/492,936,162.84 = 121,422,933.36/x
  3. Step 3: Cross multiply
    328,970,185.92x = 492,936,162.84 × 121,422,933.36
  4. Step 4: Simplify right side
    328,970,185.92x = 59,853,754,851,255,424
  5. Step 5: Solve for x
    x = 59,853,754,851,255,424/328,970,185.92
  6. Step 6: Final answer
    x = 181,942,794.25

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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.