Finding the Fourth Proportional to 64,202,721.57, 96,283,852.56 and 21,061,872.09
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Solution
The fourth proportional to 64,202,721.57, 96,283,852.56 and 21,061,872.09 is: 31,586,171.70
Step by Step Solution
- Step 1: Write the proportion equation
64,202,721.57 : 96,283,852.56 = 21,061,872.09 : x - Step 2: Convert to fraction form
64,202,721.57/96,283,852.56 = 21,061,872.09/x - Step 3: Cross multiply
64,202,721.57x = 96,283,852.56 × 21,061,872.09 - Step 4: Simplify right side
64,202,721.57x = 2,027,918,186,951,139 - Step 5: Solve for x
x = 2,027,918,186,951,139/64,202,721.57 - Step 6: Final answer
x = 31,586,171.70
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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.