Finding the Fourth Proportional to 204,613,209.20, 306,915,405.55 and 57,056,838.62
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Solution
The fourth proportional to 204,613,209.20, 306,915,405.55 and 57,056,838.62 is: 85,584,028.67
Step by Step Solution
- Step 1: Write the proportion equation
204,613,209.20 : 306,915,405.55 = 57,056,838.62 : x - Step 2: Convert to fraction form
204,613,209.20/306,915,405.55 = 57,056,838.62/x - Step 3: Cross multiply
204,613,209.20x = 306,915,405.55 × 57,056,838.62 - Step 4: Simplify right side
204,613,209.20x = 17,511,622,762,780,984 - Step 5: Solve for x
x = 17,511,622,762,780,984/204,613,209.20 - Step 6: Final answer
x = 85,584,028.67
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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.