Home / 198,192,247.43-297,220,953.23-75,340,934.15

Finding the Fourth Proportional to 198,192,247.43, 297,220,953.23 and 75,340,934.15

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Solution

The fourth proportional to 198,192,247.43, 297,220,953.23 and 75,340,934.15 is: 112,985,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,192,247.43 : 297,220,953.23 = 75,340,934.15 : x
  2. Step 2: Convert to fraction form
    198,192,247.43/297,220,953.23 = 75,340,934.15/x
  3. Step 3: Cross multiply
    198,192,247.43x = 297,220,953.23 × 75,340,934.15
  4. Step 4: Simplify right side
    198,192,247.43x = 22,392,904,264,924,960
  5. Step 5: Solve for x
    x = 22,392,904,264,924,960/198,192,247.43
  6. Step 6: Final answer
    x = 112,985,772.93

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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.