Finding the Fourth Proportional to 115,268,718.62, 172,890,299.37 and 29,007,148.70
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Solution
The fourth proportional to 115,268,718.62, 172,890,299.37 and 29,007,148.70 is: 43,507,507.35
Step by Step Solution
- Step 1: Write the proportion equation
115,268,718.62 : 172,890,299.37 = 29,007,148.70 : x - Step 2: Convert to fraction form
115,268,718.62/172,890,299.37 = 29,007,148.70/x - Step 3: Cross multiply
115,268,718.62x = 172,890,299.37 × 29,007,148.70 - Step 4: Simplify right side
115,268,718.62x = 5,015,054,622,613,106 - Step 5: Solve for x
x = 5,015,054,622,613,106/115,268,718.62 - Step 6: Final answer
x = 43,507,507.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.