Finding the Fourth Proportional to 68,304,816.80, 94,260,771.20 and 37,364,986.10
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Solution
The fourth proportional to 68,304,816.80, 94,260,771.20 and 37,364,986.10 is: 51,563,748.65
Step by Step Solution
- Step 1: Write the proportion equation
68,304,816.80 : 94,260,771.20 = 37,364,986.10 : x - Step 2: Convert to fraction form
68,304,816.80/94,260,771.20 = 37,364,986.10/x - Step 3: Cross multiply
68,304,816.80x = 94,260,771.20 × 37,364,986.10 - Step 4: Simplify right side
68,304,816.80x = 3,522,052,405,285,389 - Step 5: Solve for x
x = 3,522,052,405,285,389/68,304,816.80 - Step 6: Final answer
x = 51,563,748.65
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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.