Finding the Fourth Proportional to 141,260,207.80, 197,310,794.60 and 141,260,207.80
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Solution
The fourth proportional to 141,260,207.80, 197,310,794.60 and 141,260,207.80 is: 197,310,794.60
Step by Step Solution
- Step 1: Write the proportion equation
141,260,207.80 : 197,310,794.60 = 141,260,207.80 : x - Step 2: Convert to fraction form
141,260,207.80/197,310,794.60 = 141,260,207.80/x - Step 3: Cross multiply
141,260,207.80x = 197,310,794.60 × 141,260,207.80 - Step 4: Simplify right side
141,260,207.80x = 27,872,163,846,379,120 - Step 5: Solve for x
x = 27,872,163,846,379,120/141,260,207.80 - Step 6: Final answer
x = 197,310,794.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.