Finding the Fourth Proportional to 89,567,790.80, 123,590,219.99 and 50,407,232.09
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Solution
The fourth proportional to 89,567,790.80, 123,590,219.99 and 50,407,232.09 is: 69,554,477.64
Step by Step Solution
- Step 1: Write the proportion equation
89,567,790.80 : 123,590,219.99 = 50,407,232.09 : x - Step 2: Convert to fraction form
89,567,790.80/123,590,219.99 = 50,407,232.09/x - Step 3: Cross multiply
89,567,790.80x = 123,590,219.99 × 50,407,232.09 - Step 4: Simplify right side
89,567,790.80x = 6,229,840,902,220,100 - Step 5: Solve for x
x = 6,229,840,902,220,100/89,567,790.80 - Step 6: Final answer
x = 69,554,477.64
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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.