Finding the Fourth Proportional to 66,984,911.70, 100,477,367.55 and 32,972,687.70
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Solution
The fourth proportional to 66,984,911.70, 100,477,367.55 and 32,972,687.70 is: 49,459,031.55
Step by Step Solution
- Step 1: Write the proportion equation
66,984,911.70 : 100,477,367.55 = 32,972,687.70 : x - Step 2: Convert to fraction form
66,984,911.70/100,477,367.55 = 32,972,687.70/x - Step 3: Cross multiply
66,984,911.70x = 100,477,367.55 × 32,972,687.70 - Step 4: Simplify right side
66,984,911.70x = 3,313,008,861,144,264 - Step 5: Solve for x
x = 3,313,008,861,144,264/66,984,911.70 - Step 6: Final answer
x = 49,459,031.55
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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.