Finding the Fourth Proportional to 93,669,891.80, 140,504,837.70 and 61,524,944.60
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Solution
The fourth proportional to 93,669,891.80, 140,504,837.70 and 61,524,944.60 is: 92,287,416.90
Step by Step Solution
- Step 1: Write the proportion equation
93,669,891.80 : 140,504,837.70 = 61,524,944.60 : x - Step 2: Convert to fraction form
93,669,891.80/140,504,837.70 = 61,524,944.60/x - Step 3: Cross multiply
93,669,891.80x = 140,504,837.70 × 61,524,944.60 - Step 4: Simplify right side
93,669,891.80x = 8,644,552,355,524,491 - Step 5: Solve for x
x = 8,644,552,355,524,491/93,669,891.80 - Step 6: Final answer
x = 92,287,416.90
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1.5x scale
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.