Home / 200,016,009.20-299,576,116.20-119,394,441.20

Finding the Fourth Proportional to 200,016,009.20, 299,576,116.20 and 119,394,441.20

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Solution

The fourth proportional to 200,016,009.20, 299,576,116.20 and 119,394,441.20 is: 178,824,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,016,009.20 : 299,576,116.20 = 119,394,441.20 : x
  2. Step 2: Convert to fraction form
    200,016,009.20/299,576,116.20 = 119,394,441.20/x
  3. Step 3: Cross multiply
    200,016,009.20x = 299,576,116.20 × 119,394,441.20
  4. Step 4: Simplify right side
    200,016,009.20x = 35,767,722,990,565,268
  5. Step 5: Solve for x
    x = 35,767,722,990,565,268/200,016,009.20
  6. Step 6: Final answer
    x = 178,824,300.78

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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.