Home / 197,678,196.11-296,651,254.69-81,114,625.34

Finding the Fourth Proportional to 197,678,196.11, 296,651,254.69 and 81,114,625.34

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Solution

The fourth proportional to 197,678,196.11, 296,651,254.69 and 81,114,625.34 is: 121,726,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678,196.11 : 296,651,254.69 = 81,114,625.34 : x
  2. Step 2: Convert to fraction form
    197,678,196.11/296,651,254.69 = 81,114,625.34/x
  3. Step 3: Cross multiply
    197,678,196.11x = 296,651,254.69 × 81,114,625.34
  4. Step 4: Simplify right side
    197,678,196.11x = 24,062,755,380,820,268
  5. Step 5: Solve for x
    x = 24,062,755,380,820,268/197,678,196.11
  6. Step 6: Final answer
    x = 121,726,906.94

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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.