Home / 197,678,197.23-296,651,256.38-81,114,626.47

Finding the Fourth Proportional to 197,678,197.23, 296,651,256.38 and 81,114,626.47

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Solution

The fourth proportional to 197,678,197.23, 296,651,256.38 and 81,114,626.47 is: 121,726,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678,197.23 : 296,651,256.38 = 81,114,626.47 : x
  2. Step 2: Convert to fraction form
    197,678,197.23/296,651,256.38 = 81,114,626.47/x
  3. Step 3: Cross multiply
    197,678,197.23x = 296,651,256.38 × 81,114,626.47
  4. Step 4: Simplify right side
    197,678,197.23x = 24,062,755,851,231,076
  5. Step 5: Solve for x
    x = 24,062,755,851,231,076/197,678,197.23
  6. Step 6: Final answer
    x = 121,726,908.62

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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.