Finding the Fourth Proportional to 68,821,549.62, 94,972,985.01 and 37,881,052.98
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Solution
The fourth proportional to 68,821,549.62, 94,972,985.01 and 37,881,052.98 is: 52,275,438.39
Step by Step Solution
- Step 1: Write the proportion equation
68,821,549.62 : 94,972,985.01 = 37,881,052.98 : x - Step 2: Convert to fraction form
68,821,549.62/94,972,985.01 = 37,881,052.98/x - Step 3: Cross multiply
68,821,549.62x = 94,972,985.01 × 37,881,052.98 - Step 4: Simplify right side
68,821,549.62x = 3,597,676,676,832,555.50 - Step 5: Solve for x
x = 3,597,676,676,832,555.50/68,821,549.62 - Step 6: Final answer
x = 52,275,438.39
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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.