Home / 133,079,629.20-199,584,014.40-40,963,189.20

Finding the Fourth Proportional to 133,079,629.20, 199,584,014.40 and 40,963,189.20

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Solution

The fourth proportional to 133,079,629.20, 199,584,014.40 and 40,963,189.20 is: 61,433,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,079,629.20 : 199,584,014.40 = 40,963,189.20 : x
  2. Step 2: Convert to fraction form
    133,079,629.20/199,584,014.40 = 40,963,189.20/x
  3. Step 3: Cross multiply
    133,079,629.20x = 199,584,014.40 × 40,963,189.20
  4. Step 4: Simplify right side
    133,079,629.20x = 8,175,597,743,162,725
  5. Step 5: Solve for x
    x = 8,175,597,743,162,725/133,079,629.20
  6. Step 6: Final answer
    x = 61,433,878.29

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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.