Finding the Fourth Proportional to 55,252,910.55, 82,719,933.53 and 48,875,618.55
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Solution
The fourth proportional to 55,252,910.55, 82,719,933.53 and 48,875,618.55 is: 73,172,397.20
Step by Step Solution
- Step 1: Write the proportion equation
55,252,910.55 : 82,719,933.53 = 48,875,618.55 : x - Step 2: Convert to fraction form
55,252,910.55/82,719,933.53 = 48,875,618.55/x - Step 3: Cross multiply
55,252,910.55x = 82,719,933.53 × 48,875,618.55 - Step 4: Simplify right side
55,252,910.55x = 4,042,987,917,449,257 - Step 5: Solve for x
x = 4,042,987,917,449,257/55,252,910.55 - Step 6: Final answer
x = 73,172,397.20
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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.