Finding the Fourth Proportional to 107,409,775.20, 161,114,662.80 and 96,660,232.80
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Solution
The fourth proportional to 107,409,775.20, 161,114,662.80 and 96,660,232.80 is: 144,990,349.20
Step by Step Solution
- Step 1: Write the proportion equation
107,409,775.20 : 161,114,662.80 = 96,660,232.80 : x - Step 2: Convert to fraction form
107,409,775.20/161,114,662.80 = 96,660,232.80/x - Step 3: Cross multiply
107,409,775.20x = 161,114,662.80 × 96,660,232.80 - Step 4: Simplify right side
107,409,775.20x = 15,573,380,813,741,500 - Step 5: Solve for x
x = 15,573,380,813,741,500/107,409,775.20 - Step 6: Final answer
x = 144,990,349.20
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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.