Finding the Fourth Proportional to 79,305,458.49, 118,931,247.44 and 27,477,965.30
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Solution
The fourth proportional to 79,305,458.49, 118,931,247.44 and 27,477,965.30 is: 41,207,613.61
Step by Step Solution
- Step 1: Write the proportion equation
79,305,458.49 : 118,931,247.44 = 27,477,965.30 : x - Step 2: Convert to fraction form
79,305,458.49/118,931,247.44 = 27,477,965.30/x - Step 3: Cross multiply
79,305,458.49x = 118,931,247.44 × 27,477,965.30 - Step 4: Simplify right side
79,305,458.49x = 3,267,988,690,242,034 - Step 5: Solve for x
x = 3,267,988,690,242,034/79,305,458.49 - Step 6: Final answer
x = 41,207,613.61
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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.