Finding the Fourth Proportional to 84,252,288.31, 116,268,315.42 and 47,082,568.63
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Solution
The fourth proportional to 84,252,288.31, 116,268,315.42 and 47,082,568.63 is: 64,974,032.75
Step by Step Solution
- Step 1: Write the proportion equation
84,252,288.31 : 116,268,315.42 = 47,082,568.63 : x - Step 2: Convert to fraction form
84,252,288.31/116,268,315.42 = 47,082,568.63/x - Step 3: Cross multiply
84,252,288.31x = 116,268,315.42 × 47,082,568.63 - Step 4: Simplify right side
84,252,288.31x = 5,474,210,940,095,925 - Step 5: Solve for x
x = 5,474,210,940,095,925/84,252,288.31 - Step 6: Final answer
x = 64,974,032.75
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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.