Finding the Fourth Proportional to 263,852,919.05, 363,965,748.98 and 164,561,284.26
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Solution
The fourth proportional to 263,852,919.05, 363,965,748.98 and 164,561,284.26 is: 227,000,221.54
Step by Step Solution
- Step 1: Write the proportion equation
263,852,919.05 : 363,965,748.98 = 164,561,284.26 : x - Step 2: Convert to fraction form
263,852,919.05/363,965,748.98 = 164,561,284.26/x - Step 3: Cross multiply
263,852,919.05x = 363,965,748.98 × 164,561,284.26 - Step 4: Simplify right side
263,852,919.05x = 59,894,671,077,978,776 - Step 5: Solve for x
x = 59,894,671,077,978,776/263,852,919.05 - Step 6: Final answer
x = 227,000,221.54
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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.