Finding the Fourth Proportional to 264,768,785.80, 396,416,013.90 and 135,096,209.80
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Solution
The fourth proportional to 264,768,785.80, 396,416,013.90 and 135,096,209.80 is: 202,268,182.11
Step by Step Solution
- Step 1: Write the proportion equation
264,768,785.80 : 396,416,013.90 = 135,096,209.80 : x - Step 2: Convert to fraction form
264,768,785.80/396,416,013.90 = 135,096,209.80/x - Step 3: Cross multiply
264,768,785.80x = 396,416,013.90 × 135,096,209.80 - Step 4: Simplify right side
264,768,785.80x = 53,554,300,981,914,120 - Step 5: Solve for x
x = 53,554,300,981,914,120/264,768,785.80 - Step 6: Final answer
x = 202,268,182.11
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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.