Finding the Fourth Proportional to 91,843,936.05, 126,744,638.67 and 50,590,828.44
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Solution
The fourth proportional to 91,843,936.05, 126,744,638.67 and 50,590,828.44 is: 69,815,347.06
Step by Step Solution
- Step 1: Write the proportion equation
91,843,936.05 : 126,744,638.67 = 50,590,828.44 : x - Step 2: Convert to fraction form
91,843,936.05/126,744,638.67 = 50,590,828.44/x - Step 3: Cross multiply
91,843,936.05x = 126,744,638.67 × 50,590,828.44 - Step 4: Simplify right side
91,843,936.05x = 6,412,116,270,643,760 - Step 5: Solve for x
x = 6,412,116,270,643,760/91,843,936.05 - Step 6: Final answer
x = 69,815,347.06
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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.