Finding the Fourth Proportional to 367,235,742.70, 550,853,614.05 and 137,174,933.80
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Solution
The fourth proportional to 367,235,742.70, 550,853,614.05 and 137,174,933.80 is: 205,762,400.70
Step by Step Solution
- Step 1: Write the proportion equation
367,235,742.70 : 550,853,614.05 = 137,174,933.80 : x - Step 2: Convert to fraction form
367,235,742.70/550,853,614.05 = 137,174,933.80/x - Step 3: Cross multiply
367,235,742.70x = 550,853,614.05 × 137,174,933.80 - Step 4: Simplify right side
367,235,742.70x = 75,563,308,040,799,504 - Step 5: Solve for x
x = 75,563,308,040,799,504/367,235,742.70 - Step 6: Final answer
x = 205,762,400.70
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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.