Finding the Fourth Proportional to 112,293,119.80, 168,439,679.70 and 27,192,575.80
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Solution
The fourth proportional to 112,293,119.80, 168,439,679.70 and 27,192,575.80 is: 40,788,863.70
Step by Step Solution
- Step 1: Write the proportion equation
112,293,119.80 : 168,439,679.70 = 27,192,575.80 : x - Step 2: Convert to fraction form
112,293,119.80/168,439,679.70 = 27,192,575.80/x - Step 3: Cross multiply
112,293,119.80x = 168,439,679.70 × 27,192,575.80 - Step 4: Simplify right side
112,293,119.80x = 4,580,308,757,969,971 - Step 5: Solve for x
x = 4,580,308,757,969,971/112,293,119.80 - Step 6: Final answer
x = 40,788,863.70
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1.5x scale
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.