Finding the Fourth Proportional to 74,624,081.49, 102,989,570.18 and 41,587,346.97
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Solution
The fourth proportional to 74,624,081.49, 102,989,570.18 and 41,587,346.97 is: 57,395,185.36
Step by Step Solution
- Step 1: Write the proportion equation
74,624,081.49 : 102,989,570.18 = 41,587,346.97 : x - Step 2: Convert to fraction form
74,624,081.49/102,989,570.18 = 41,587,346.97/x - Step 3: Cross multiply
74,624,081.49x = 102,989,570.18 × 41,587,346.97 - Step 4: Simplify right side
74,624,081.49x = 4,283,062,989,158,888.50 - Step 5: Solve for x
x = 4,283,062,989,158,888.50/74,624,081.49 - Step 6: Final answer
x = 57,395,185.36
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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.