Finding the Fourth Proportional to 235,924,850.68, 325,715,953.34 and 209,747,063.45
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Solution
The fourth proportional to 235,924,850.68, 325,715,953.34 and 209,747,063.45 is: 289,575,110.61
Step by Step Solution
- Step 1: Write the proportion equation
235,924,850.68 : 325,715,953.34 = 209,747,063.45 : x - Step 2: Convert to fraction form
235,924,850.68/325,715,953.34 = 209,747,063.45/x - Step 3: Cross multiply
235,924,850.68x = 325,715,953.34 × 209,747,063.45 - Step 4: Simplify right side
235,924,850.68x = 68,317,964,730,833,472 - Step 5: Solve for x
x = 68,317,964,730,833,472/235,924,850.68 - Step 6: Final answer
x = 289,575,110.61
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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.