Finding the Fourth Proportional to 190,754,630.62, 263,247,748.74 and 107,137,496.62
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Solution
The fourth proportional to 190,754,630.62, 263,247,748.74 and 107,137,496.62 is: 147,853,316.58
Step by Step Solution
- Step 1: Write the proportion equation
190,754,630.62 : 263,247,748.74 = 107,137,496.62 : x - Step 2: Convert to fraction form
190,754,630.62/263,247,748.74 = 107,137,496.62/x - Step 3: Cross multiply
190,754,630.62x = 263,247,748.74 × 107,137,496.62 - Step 4: Simplify right side
190,754,630.62x = 28,203,704,790,854,360 - Step 5: Solve for x
x = 28,203,704,790,854,360/190,754,630.62 - Step 6: Final answer
x = 147,853,316.58
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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.