Finding the Fourth Proportional to 116,491,873.80, 174,737,810.70 and 31,391,329.80
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Solution
The fourth proportional to 116,491,873.80, 174,737,810.70 and 31,391,329.80 is: 47,086,994.70
Step by Step Solution
- Step 1: Write the proportion equation
116,491,873.80 : 174,737,810.70 = 31,391,329.80 : x - Step 2: Convert to fraction form
116,491,873.80/174,737,810.70 = 31,391,329.80/x - Step 3: Cross multiply
116,491,873.80x = 174,737,810.70 × 31,391,329.80 - Step 4: Simplify right side
116,491,873.80x = 5,485,252,244,213,669 - Step 5: Solve for x
x = 5,485,252,244,213,669/116,491,873.80 - Step 6: Final answer
x = 47,086,994.70
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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.