Finding the Fourth Proportional to 253,136,614.19, 379,719,536.04 and 97,691,228.82
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Solution
The fourth proportional to 253,136,614.19, 379,719,536.04 and 97,691,228.82 is: 146,542,483.40
Step by Step Solution
- Step 1: Write the proportion equation
253,136,614.19 : 379,719,536.04 = 97,691,228.82 : x - Step 2: Convert to fraction form
253,136,614.19/379,719,536.04 = 97,691,228.82/x - Step 3: Cross multiply
253,136,614.19x = 379,719,536.04 × 97,691,228.82 - Step 4: Simplify right side
253,136,614.19x = 37,095,268,082,707,880 - Step 5: Solve for x
x = 37,095,268,082,707,880/253,136,614.19 - Step 6: Final answer
x = 146,542,483.40
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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.