Finding the Fourth Proportional to 91,151,369.40, 125,788,880.40 and 49,335,427.44
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Solution
The fourth proportional to 91,151,369.40, 125,788,880.40 and 49,335,427.44 is: 68,082,884.79
Step by Step Solution
- Step 1: Write the proportion equation
91,151,369.40 : 125,788,880.40 = 49,335,427.44 : x - Step 2: Convert to fraction form
91,151,369.40/125,788,880.40 = 49,335,427.44/x - Step 3: Cross multiply
91,151,369.40x = 125,788,880.40 × 49,335,427.44 - Step 4: Simplify right side
91,151,369.40x = 6,205,848,181,733,038 - Step 5: Solve for x
x = 6,205,848,181,733,038/91,151,369.40 - Step 6: Final answer
x = 68,082,884.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.