Finding the Fourth Proportional to 237,559,892.20, 356,339,838.30 and 220,341,203.80
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Solution
The fourth proportional to 237,559,892.20, 356,339,838.30 and 220,341,203.80 is: 330,511,805.70
Step by Step Solution
- Step 1: Write the proportion equation
237,559,892.20 : 356,339,838.30 = 220,341,203.80 : x - Step 2: Convert to fraction form
237,559,892.20/356,339,838.30 = 220,341,203.80/x - Step 3: Cross multiply
237,559,892.20x = 356,339,838.30 × 220,341,203.80 - Step 4: Simplify right side
237,559,892.20x = 78,516,348,932,919,360 - Step 5: Solve for x
x = 78,516,348,932,919,360/237,559,892.20 - Step 6: Final answer
x = 330,511,805.70
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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.