Finding the Fourth Proportional to 146,808,311.94, 202,608,380.97 and 80,740,451.34
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Solution
The fourth proportional to 146,808,311.94, 202,608,380.97 and 80,740,451.34 is: 111,428,923.26
Step by Step Solution
- Step 1: Write the proportion equation
146,808,311.94 : 202,608,380.97 = 80,740,451.34 : x - Step 2: Convert to fraction form
146,808,311.94/202,608,380.97 = 80,740,451.34/x - Step 3: Cross multiply
146,808,311.94x = 202,608,380.97 × 80,740,451.34 - Step 4: Simplify right side
146,808,311.94x = 16,358,692,124,784,468 - Step 5: Solve for x
x = 16,358,692,124,784,468/146,808,311.94 - Step 6: Final answer
x = 111,428,923.26
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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.