Finding the Fourth Proportional to 80,373,543.40, 110,916,067.26 and 43,703,851.96
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Solution
The fourth proportional to 80,373,543.40, 110,916,067.26 and 43,703,851.96 is: 60,311,629.65
Step by Step Solution
- Step 1: Write the proportion equation
80,373,543.40 : 110,916,067.26 = 43,703,851.96 : x - Step 2: Convert to fraction form
80,373,543.40/110,916,067.26 = 43,703,851.96/x - Step 3: Cross multiply
80,373,543.40x = 110,916,067.26 × 43,703,851.96 - Step 4: Simplify right side
80,373,543.40x = 4,847,459,383,516,443 - Step 5: Solve for x
x = 4,847,459,383,516,443/80,373,543.40 - Step 6: Final answer
x = 60,311,629.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.