Finding the Fourth Proportional to 51,135,609.86, 70,566,674.19 and 27,930,729.86
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Solution
The fourth proportional to 51,135,609.86, 70,566,674.19 and 27,930,729.86 is: 38,544,151.90
Step by Step Solution
- Step 1: Write the proportion equation
51,135,609.86 : 70,566,674.19 = 27,930,729.86 : x - Step 2: Convert to fraction form
51,135,609.86/70,566,674.19 = 27,930,729.86/x - Step 3: Cross multiply
51,135,609.86x = 70,566,674.19 × 27,930,729.86 - Step 4: Simplify right side
51,135,609.86x = 1,970,978,713,991,200.75 - Step 5: Solve for x
x = 1,970,978,713,991,200.75/51,135,609.86 - Step 6: Final answer
x = 38,544,151.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.