Home / 197,678,196.98-296,651,256-81,114,626.22

Finding the Fourth Proportional to 197,678,196.98, 296,651,256 and 81,114,626.22

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Solution

The fourth proportional to 197,678,196.98, 296,651,256 and 81,114,626.22 is: 121,726,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678,196.98 : 296,651,256 = 81,114,626.22 : x
  2. Step 2: Convert to fraction form
    197,678,196.98/296,651,256 = 81,114,626.22/x
  3. Step 3: Cross multiply
    197,678,196.98x = 296,651,256 × 81,114,626.22
  4. Step 4: Simplify right side
    197,678,196.98x = 24,062,755,748,133,532
  5. Step 5: Solve for x
    x = 24,062,755,748,133,532/197,678,196.98
  6. Step 6: Final answer
    x = 121,726,908.26

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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.