Home / 197,678,195.98-296,651,254.50-81,114,625.22

Finding the Fourth Proportional to 197,678,195.98, 296,651,254.50 and 81,114,625.22

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Solution

The fourth proportional to 197,678,195.98, 296,651,254.50 and 81,114,625.22 is: 121,726,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678,195.98 : 296,651,254.50 = 81,114,625.22 : x
  2. Step 2: Convert to fraction form
    197,678,195.98/296,651,254.50 = 81,114,625.22/x
  3. Step 3: Cross multiply
    197,678,195.98x = 296,651,254.50 × 81,114,625.22
  4. Step 4: Simplify right side
    197,678,195.98x = 24,062,755,328,327,084
  5. Step 5: Solve for x
    x = 24,062,755,328,327,084/197,678,195.98
  6. Step 6: Final answer
    x = 121,726,906.75

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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.