Finding the Fourth Proportional to 217,504,232.55, 300,162,336.80 and 133,920,583.02
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Solution
The fourth proportional to 217,504,232.55, 300,162,336.80 and 133,920,583.02 is: 184,814,404.17
Step by Step Solution
- Step 1: Write the proportion equation
217,504,232.55 : 300,162,336.80 = 133,920,583.02 : x - Step 2: Convert to fraction form
217,504,232.55/300,162,336.80 = 133,920,583.02/x - Step 3: Cross multiply
217,504,232.55x = 300,162,336.80 × 133,920,583.02 - Step 4: Simplify right side
217,504,232.55x = 40,197,915,144,232,000 - Step 5: Solve for x
x = 40,197,915,144,232,000/217,504,232.55 - Step 6: Final answer
x = 184,814,404.17
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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.