Home / 220,373,145.60-330,559,718.40-206,936,217.60

Finding the Fourth Proportional to 220,373,145.60, 330,559,718.40 and 206,936,217.60

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Solution

The fourth proportional to 220,373,145.60, 330,559,718.40 and 206,936,217.60 is: 310,404,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,373,145.60 : 330,559,718.40 = 206,936,217.60 : x
  2. Step 2: Convert to fraction form
    220,373,145.60/330,559,718.40 = 206,936,217.60/x
  3. Step 3: Cross multiply
    220,373,145.60x = 330,559,718.40 × 206,936,217.60
  4. Step 4: Simplify right side
    220,373,145.60x = 68,404,777,816,617,120
  5. Step 5: Solve for x
    x = 68,404,777,816,617,120/220,373,145.60
  6. Step 6: Final answer
    x = 310,404,326.40

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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.