Finding the Fourth Proportional to 227,765,132.80, 341,614,521.60 and 66,190,220.80
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Solution
The fourth proportional to 227,765,132.80, 341,614,521.60 and 66,190,220.80 is: 99,275,689.55
Step by Step Solution
- Step 1: Write the proportion equation
227,765,132.80 : 341,614,521.60 = 66,190,220.80 : x - Step 2: Convert to fraction form
227,765,132.80/341,614,521.60 = 66,190,220.80/x - Step 3: Cross multiply
227,765,132.80x = 341,614,521.60 × 66,190,220.80 - Step 4: Simplify right side
227,765,132.80x = 22,611,540,613,190,368 - Step 5: Solve for x
x = 22,611,540,613,190,368/227,765,132.80 - Step 6: Final answer
x = 99,275,689.55
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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.