Finding the Fourth Proportional to 245,164,874.68, 338,329,838.82 and 135,160,524.28
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Solution
The fourth proportional to 245,164,874.68, 338,329,838.82 and 135,160,524.28 is: 186,522,797.99
Step by Step Solution
- Step 1: Write the proportion equation
245,164,874.68 : 338,329,838.82 = 135,160,524.28 : x - Step 2: Convert to fraction form
245,164,874.68/338,329,838.82 = 135,160,524.28/x - Step 3: Cross multiply
245,164,874.68x = 338,329,838.82 × 135,160,524.28 - Step 4: Simplify right side
245,164,874.68x = 45,728,838,394,479,096 - Step 5: Solve for x
x = 45,728,838,394,479,096/245,164,874.68 - Step 6: Final answer
x = 186,522,797.99
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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.