Finding the Fourth Proportional to 53,811,852.20, 80,930,354.70 and 48,284,865.80
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Solution
The fourth proportional to 53,811,852.20, 80,930,354.70 and 48,284,865.80 is: 72,618,041.49
Step by Step Solution
- Step 1: Write the proportion equation
53,811,852.20 : 80,930,354.70 = 48,284,865.80 : x - Step 2: Convert to fraction form
53,811,852.20/80,930,354.70 = 48,284,865.80/x - Step 3: Cross multiply
53,811,852.20x = 80,930,354.70 × 48,284,865.80 - Step 4: Simplify right side
53,811,852.20x = 3,907,711,315,835,899 - Step 5: Solve for x
x = 3,907,711,315,835,899/53,811,852.20 - Step 6: Final answer
x = 72,618,041.49
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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.