Finding the Fourth Proportional to 181,922,874.87, 251,053,567.92 and 103,613,715.12
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Solution
The fourth proportional to 181,922,874.87, 251,053,567.92 and 103,613,715.12 is: 142,986,927.21
Step by Step Solution
- Step 1: Write the proportion equation
181,922,874.87 : 251,053,567.92 = 103,613,715.12 : x - Step 2: Convert to fraction form
181,922,874.87/251,053,567.92 = 103,613,715.12/x - Step 3: Cross multiply
181,922,874.87x = 251,053,567.92 × 103,613,715.12 - Step 4: Simplify right side
181,922,874.87x = 26,012,592,866,322,452 - Step 5: Solve for x
x = 26,012,592,866,322,452/181,922,874.87 - Step 6: Final answer
x = 142,986,927.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.