Finding the Fourth Proportional to 51,207,847.80, 76,811,771.70 and 51,207,847.80
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Solution
The fourth proportional to 51,207,847.80, 76,811,771.70 and 51,207,847.80 is: 76,811,771.70
Step by Step Solution
- Step 1: Write the proportion equation
51,207,847.80 : 76,811,771.70 = 51,207,847.80 : x - Step 2: Convert to fraction form
51,207,847.80/76,811,771.70 = 51,207,847.80/x - Step 3: Cross multiply
51,207,847.80x = 76,811,771.70 × 51,207,847.80 - Step 4: Simplify right side
51,207,847.80x = 3,933,365,514,461,947 - Step 5: Solve for x
x = 3,933,365,514,461,947/51,207,847.80 - Step 6: Final answer
x = 76,811,771.70
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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.