Finding the Fourth Proportional to 100,845,195.80, 151,267,793.70 and 98,719,431.80
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Solution
The fourth proportional to 100,845,195.80, 151,267,793.70 and 98,719,431.80 is: 148,079,147.70
Step by Step Solution
- Step 1: Write the proportion equation
100,845,195.80 : 151,267,793.70 = 98,719,431.80 : x - Step 2: Convert to fraction form
100,845,195.80/151,267,793.70 = 98,719,431.80/x - Step 3: Cross multiply
100,845,195.80x = 151,267,793.70 × 98,719,431.80 - Step 4: Simplify right side
100,845,195.80x = 14,933,070,643,703,618 - Step 5: Solve for x
x = 14,933,070,643,703,618/100,845,195.80 - Step 6: Final answer
x = 148,079,147.70
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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.