Finding the Fourth Proportional to 62,910,720.25, 86,772,072.39 and 41,992,205.98
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Solution
The fourth proportional to 62,910,720.25, 86,772,072.39 and 41,992,205.98 is: 57,919,393.11
Step by Step Solution
- Step 1: Write the proportion equation
62,910,720.25 : 86,772,072.39 = 41,992,205.98 : x - Step 2: Convert to fraction form
62,910,720.25/86,772,072.39 = 41,992,205.98/x - Step 3: Cross multiply
62,910,720.25x = 86,772,072.39 × 41,992,205.98 - Step 4: Simplify right side
62,910,720.25x = 3,643,750,737,112,350.50 - Step 5: Solve for x
x = 3,643,750,737,112,350.50/62,910,720.25 - Step 6: Final answer
x = 57,919,393.11
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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.