Finding the Fourth Proportional to 177,161,177.80, 265,741,766.70 and 81,609,689.80
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Solution
The fourth proportional to 177,161,177.80, 265,741,766.70 and 81,609,689.80 is: 122,414,534.70
Step by Step Solution
- Step 1: Write the proportion equation
177,161,177.80 : 265,741,766.70 = 81,609,689.80 : x - Step 2: Convert to fraction form
177,161,177.80/265,741,766.70 = 81,609,689.80/x - Step 3: Cross multiply
177,161,177.80x = 265,741,766.70 × 81,609,689.80 - Step 4: Simplify right side
177,161,177.80x = 21,687,103,147,290,968 - Step 5: Solve for x
x = 21,687,103,147,290,968/177,161,177.80 - Step 6: Final answer
x = 122,414,534.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.