Finding the Fourth Proportional to 48,512,203.80, 72,768,305.70 and 48,512,203.80
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Solution
The fourth proportional to 48,512,203.80, 72,768,305.70 and 48,512,203.80 is: 72,768,305.70
Step by Step Solution
- Step 1: Write the proportion equation
48,512,203.80 : 72,768,305.70 = 48,512,203.80 : x - Step 2: Convert to fraction form
48,512,203.80/72,768,305.70 = 48,512,203.80/x - Step 3: Cross multiply
48,512,203.80x = 72,768,305.70 × 48,512,203.80 - Step 4: Simplify right side
48,512,203.80x = 3,530,150,876,299,101.50 - Step 5: Solve for x
x = 3,530,150,876,299,101.50/48,512,203.80 - Step 6: Final answer
x = 72,768,305.70
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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.