Finding the Fourth Proportional to 196,992,096.20, 295,488,144.30 and 131,235,129.80
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Solution
The fourth proportional to 196,992,096.20, 295,488,144.30 and 131,235,129.80 is: 196,852,694.70
Step by Step Solution
- Step 1: Write the proportion equation
196,992,096.20 : 295,488,144.30 = 131,235,129.80 : x - Step 2: Convert to fraction form
196,992,096.20/295,488,144.30 = 131,235,129.80/x - Step 3: Cross multiply
196,992,096.20x = 295,488,144.30 × 131,235,129.80 - Step 4: Simplify right side
196,992,096.20x = 38,778,424,971,571,632 - Step 5: Solve for x
x = 38,778,424,971,571,632/196,992,096.20 - Step 6: Final answer
x = 196,852,694.70
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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.