Finding the Fourth Proportional to 199,296,241.20, 298,944,361.80 and 167,728,645.80
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Solution
The fourth proportional to 199,296,241.20, 298,944,361.80 and 167,728,645.80 is: 251,592,968.70
Step by Step Solution
- Step 1: Write the proportion equation
199,296,241.20 : 298,944,361.80 = 167,728,645.80 : x - Step 2: Convert to fraction form
199,296,241.20/298,944,361.80 = 167,728,645.80/x - Step 3: Cross multiply
199,296,241.20x = 298,944,361.80 × 167,728,645.80 - Step 4: Simplify right side
199,296,241.20x = 50,141,532,974,259,256 - Step 5: Solve for x
x = 50,141,532,974,259,256/199,296,241.20 - Step 6: Final answer
x = 251,592,968.70
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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.