Finding the Fourth Proportional to 84,252,286.92, 116,268,313.49 and 47,082,567.23
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Solution
The fourth proportional to 84,252,286.92, 116,268,313.49 and 47,082,567.23 is: 64,974,030.82
Step by Step Solution
- Step 1: Write the proportion equation
84,252,286.92 : 116,268,313.49 = 47,082,567.23 : x - Step 2: Convert to fraction form
84,252,286.92/116,268,313.49 = 47,082,567.23/x - Step 3: Cross multiply
84,252,286.92x = 116,268,313.49 × 47,082,567.23 - Step 4: Simplify right side
84,252,286.92x = 5,474,210,686,611,640 - Step 5: Solve for x
x = 5,474,210,686,611,640/84,252,286.92 - Step 6: Final answer
x = 64,974,030.82
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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.