Finding the Fourth Proportional to 217,469,204.70, 326,203,807.05 and 120,723,323.10
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Solution
The fourth proportional to 217,469,204.70, 326,203,807.05 and 120,723,323.10 is: 181,084,984.65
Step by Step Solution
- Step 1: Write the proportion equation
217,469,204.70 : 326,203,807.05 = 120,723,323.10 : x - Step 2: Convert to fraction form
217,469,204.70/326,203,807.05 = 120,723,323.10/x - Step 3: Cross multiply
217,469,204.70x = 326,203,807.05 × 120,723,323.10 - Step 4: Simplify right side
217,469,204.70x = 39,380,407,594,947,208 - Step 5: Solve for x
x = 39,380,407,594,947,208/217,469,204.70 - Step 6: Final answer
x = 181,084,984.65
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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.