Finding the Fourth Proportional to 53,953,480.70, 80,930,221.05 and 48,284,776.70
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Solution
The fourth proportional to 53,953,480.70, 80,930,221.05 and 48,284,776.70 is: 72,427,165.05
Step by Step Solution
- Step 1: Write the proportion equation
53,953,480.70 : 80,930,221.05 = 48,284,776.70 : x - Step 2: Convert to fraction form
53,953,480.70/80,930,221.05 = 48,284,776.70/x - Step 3: Cross multiply
53,953,480.70x = 80,930,221.05 × 48,284,776.70 - Step 4: Simplify right side
53,953,480.70x = 3,907,697,651,680,889.50 - Step 5: Solve for x
x = 3,907,697,651,680,889.50/53,953,480.70 - Step 6: Final answer
x = 72,427,165.05
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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.