Finding the Fourth Proportional to 166,318,720.16, 229,521,356.88 and 91,975,439.48
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Solution
The fourth proportional to 166,318,720.16, 229,521,356.88 and 91,975,439.48 is: 126,926,948.75
Step by Step Solution
- Step 1: Write the proportion equation
166,318,720.16 : 229,521,356.88 = 91,975,439.48 : x - Step 2: Convert to fraction form
166,318,720.16/229,521,356.88 = 91,975,439.48/x - Step 3: Cross multiply
166,318,720.16x = 229,521,356.88 × 91,975,439.48 - Step 4: Simplify right side
166,318,720.16x = 21,110,327,669,083,924 - Step 5: Solve for x
x = 21,110,327,669,083,924/166,318,720.16 - Step 6: Final answer
x = 126,926,948.75
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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.