Home / 198,720,043.20-298,080,064.80-62,419,204.80

Finding the Fourth Proportional to 198,720,043.20, 298,080,064.80 and 62,419,204.80

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Solution

The fourth proportional to 198,720,043.20, 298,080,064.80 and 62,419,204.80 is: 93,628,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,720,043.20 : 298,080,064.80 = 62,419,204.80 : x
  2. Step 2: Convert to fraction form
    198,720,043.20/298,080,064.80 = 62,419,204.80/x
  3. Step 3: Cross multiply
    198,720,043.20x = 298,080,064.80 × 62,419,204.80
  4. Step 4: Simplify right side
    198,720,043.20x = 18,605,920,611,548,472
  5. Step 5: Solve for x
    x = 18,605,920,611,548,472/198,720,043.20
  6. Step 6: Final answer
    x = 93,628,807.20

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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.