Finding the Fourth Proportional to 190,754,629.62, 263,247,747.36 and 107,137,495.62
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Solution
The fourth proportional to 190,754,629.62, 263,247,747.36 and 107,137,495.62 is: 147,853,315.20
Step by Step Solution
- Step 1: Write the proportion equation
190,754,629.62 : 263,247,747.36 = 107,137,495.62 : x - Step 2: Convert to fraction form
190,754,629.62/263,247,747.36 = 107,137,495.62/x - Step 3: Cross multiply
190,754,629.62x = 263,247,747.36 × 107,137,495.62 - Step 4: Simplify right side
190,754,629.62x = 28,203,704,379,756,868 - Step 5: Solve for x
x = 28,203,704,379,756,868/190,754,629.62 - Step 6: Final answer
x = 147,853,315.20
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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.