Finding the Fourth Proportional to 68,330,075.48, 94,295,245.74 and 36,968,025.88
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Solution
The fourth proportional to 68,330,075.48, 94,295,245.74 and 36,968,025.88 is: 51,015,735.90
Step by Step Solution
- Step 1: Write the proportion equation
68,330,075.48 : 94,295,245.74 = 36,968,025.88 : x - Step 2: Convert to fraction form
68,330,075.48/94,295,245.74 = 36,968,025.88/x - Step 3: Cross multiply
68,330,075.48x = 94,295,245.74 × 36,968,025.88 - Step 4: Simplify right side
68,330,075.48x = 3,485,909,084,856,519 - Step 5: Solve for x
x = 3,485,909,084,856,519/68,330,075.48 - Step 6: Final answer
x = 51,015,735.90
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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.