Finding the Fourth Proportional to 68,437,125, 94,419,982.26 and 39,047,344.20
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Solution
The fourth proportional to 68,437,125, 94,419,982.26 and 39,047,344.20 is: 53,872,069.39
Step by Step Solution
- Step 1: Write the proportion equation
68,437,125 : 94,419,982.26 = 39,047,344.20 : x - Step 2: Convert to fraction form
68,437,125/94,419,982.26 = 39,047,344.20/x - Step 3: Cross multiply
68,437,125x = 94,419,982.26 × 39,047,344.20 - Step 4: Simplify right side
68,437,125x = 3,686,849,546,664,114.50 - Step 5: Solve for x
x = 3,686,849,546,664,114.50/68,437,125 - Step 6: Final answer
x = 53,872,069.39
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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.