Finding the Fourth Proportional to 213,030,489.70, 319,556,232.15 and 110,993,817.70
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Solution
The fourth proportional to 213,030,489.70, 319,556,232.15 and 110,993,817.70 is: 166,496,196.04
Step by Step Solution
- Step 1: Write the proportion equation
213,030,489.70 : 319,556,232.15 = 110,993,817.70 : x - Step 2: Convert to fraction form
213,030,489.70/319,556,232.15 = 110,993,817.70/x - Step 3: Cross multiply
213,030,489.70x = 319,556,232.15 × 110,993,817.70 - Step 4: Simplify right side
213,030,489.70x = 35,468,766,176,155,976 - Step 5: Solve for x
x = 35,468,766,176,155,976/213,030,489.70 - Step 6: Final answer
x = 166,496,196.04
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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.