Finding the Fourth Proportional to 234,268,759.64, 323,310,235.38 and 129,879,575.48
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Solution
The fourth proportional to 234,268,759.64, 323,310,235.38 and 129,879,575.48 is: 179,244,540.26
Step by Step Solution
- Step 1: Write the proportion equation
234,268,759.64 : 323,310,235.38 = 129,879,575.48 : x - Step 2: Convert to fraction form
234,268,759.64/323,310,235.38 = 129,879,575.48/x - Step 3: Cross multiply
234,268,759.64x = 323,310,235.38 × 129,879,575.48 - Step 4: Simplify right side
234,268,759.64x = 41,991,396,119,493,280 - Step 5: Solve for x
x = 41,991,396,119,493,280/234,268,759.64 - Step 6: Final answer
x = 179,244,540.26
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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.