Finding the Fourth Proportional to 131,557,639.31, 197,268,464.08 and 57,751,211.15
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Solution
The fourth proportional to 131,557,639.31, 197,268,464.08 and 57,751,211.15 is: 86,596,968.31
Step by Step Solution
- Step 1: Write the proportion equation
131,557,639.31 : 197,268,464.08 = 57,751,211.15 : x - Step 2: Convert to fraction form
131,557,639.31/197,268,464.08 = 57,751,211.15/x - Step 3: Cross multiply
131,557,639.31x = 197,268,464.08 × 57,751,211.15 - Step 4: Simplify right side
131,557,639.31x = 11,392,492,722,320,270 - Step 5: Solve for x
x = 11,392,492,722,320,270/131,557,639.31 - Step 6: Final answer
x = 86,596,968.31
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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.