Finding the Fourth Proportional to 75,762,262.98, 104,482,197.78 and 49,647,295.98
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Solution
The fourth proportional to 75,762,262.98, 104,482,197.78 and 49,647,295.98 is: 68,467,577.31
Step by Step Solution
- Step 1: Write the proportion equation
75,762,262.98 : 104,482,197.78 = 49,647,295.98 : x - Step 2: Convert to fraction form
75,762,262.98/104,482,197.78 = 49,647,295.98/x - Step 3: Cross multiply
75,762,262.98x = 104,482,197.78 × 49,647,295.98 - Step 4: Simplify right side
75,762,262.98x = 5,187,258,597,824,559 - Step 5: Solve for x
x = 5,187,258,597,824,559/75,762,262.98 - Step 6: Final answer
x = 68,467,577.31
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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.