Finding the Fourth Proportional to 141,609,703.80, 212,414,555.70 and 141,609,703.80
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Solution
The fourth proportional to 141,609,703.80, 212,414,555.70 and 141,609,703.80 is: 212,414,555.70
Step by Step Solution
- Step 1: Write the proportion equation
141,609,703.80 : 212,414,555.70 = 141,609,703.80 : x - Step 2: Convert to fraction form
141,609,703.80/212,414,555.70 = 141,609,703.80/x - Step 3: Cross multiply
141,609,703.80x = 212,414,555.70 × 141,609,703.80 - Step 4: Simplify right side
141,609,703.80x = 30,079,962,315,485,604 - Step 5: Solve for x
x = 30,079,962,315,485,604/141,609,703.80 - Step 6: Final answer
x = 212,414,555.70
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1.5x scale
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.