Finding the Fourth Proportional to 177,743,081.70, 266,614,622.55 and 91,649,639.70
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Solution
The fourth proportional to 177,743,081.70, 266,614,622.55 and 91,649,639.70 is: 137,474,459.55
Step by Step Solution
- Step 1: Write the proportion equation
177,743,081.70 : 266,614,622.55 = 91,649,639.70 : x - Step 2: Convert to fraction form
177,743,081.70/266,614,622.55 = 91,649,639.70/x - Step 3: Cross multiply
177,743,081.70x = 266,614,622.55 × 91,649,639.70 - Step 4: Simplify right side
177,743,081.70x = 24,435,134,095,458,996 - Step 5: Solve for x
x = 24,435,134,095,458,996/177,743,081.70 - Step 6: Final answer
x = 137,474,459.55
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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.