Finding the Fourth Proportional to 75,453,794.39, 113,065,190.70 and 50,770,306.68
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Solution
The fourth proportional to 75,453,794.39, 113,065,190.70 and 50,770,306.68 is: 76,077,743.39
Step by Step Solution
- Step 1: Write the proportion equation
75,453,794.39 : 113,065,190.70 = 50,770,306.68 : x - Step 2: Convert to fraction form
75,453,794.39/113,065,190.70 = 50,770,306.68/x - Step 3: Cross multiply
75,453,794.39x = 113,065,190.70 × 50,770,306.68 - Step 4: Simplify right side
75,453,794.39x = 5,740,354,406,671,684 - Step 5: Solve for x
x = 5,740,354,406,671,684/75,453,794.39 - Step 6: Final answer
x = 76,077,743.39
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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.