Home / 198,720,081.60-298,080,122.40-166,975,339.20

Finding the Fourth Proportional to 198,720,081.60, 298,080,122.40 and 166,975,339.20

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Solution

The fourth proportional to 198,720,081.60, 298,080,122.40 and 166,975,339.20 is: 250,463,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,720,081.60 : 298,080,122.40 = 166,975,339.20 : x
  2. Step 2: Convert to fraction form
    198,720,081.60/298,080,122.40 = 166,975,339.20/x
  3. Step 3: Cross multiply
    198,720,081.60x = 298,080,122.40 × 166,975,339.20
  4. Step 4: Simplify right side
    198,720,081.60x = 49,772,029,546,517,512
  5. Step 5: Solve for x
    x = 49,772,029,546,517,512/198,720,081.60
  6. Step 6: Final answer
    x = 250,463,008.80

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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.