Finding the Fourth Proportional to 53,830,108.80, 80,745,163.20 and 53,830,108.80
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Solution
The fourth proportional to 53,830,108.80, 80,745,163.20 and 53,830,108.80 is: 80,745,163.20
Step by Step Solution
- Step 1: Write the proportion equation
53,830,108.80 : 80,745,163.20 = 53,830,108.80 : x - Step 2: Convert to fraction form
53,830,108.80/80,745,163.20 = 53,830,108.80/x - Step 3: Cross multiply
53,830,108.80x = 80,745,163.20 × 53,830,108.80 - Step 4: Simplify right side
53,830,108.80x = 4,346,520,920,129,756 - Step 5: Solve for x
x = 4,346,520,920,129,756/53,830,108.80 - Step 6: Final answer
x = 80,745,163.20
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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.