Finding the Fourth Proportional to 107,409,744.20, 161,114,616.30 and 96,660,201.80
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Solution
The fourth proportional to 107,409,744.20, 161,114,616.30 and 96,660,201.80 is: 144,990,302.70
Step by Step Solution
- Step 1: Write the proportion equation
107,409,744.20 : 161,114,616.30 = 96,660,201.80 : x - Step 2: Convert to fraction form
107,409,744.20/161,114,616.30 = 96,660,201.80/x - Step 3: Cross multiply
107,409,744.20x = 161,114,616.30 × 96,660,201.80 - Step 4: Simplify right side
107,409,744.20x = 15,573,371,324,487,570 - Step 5: Solve for x
x = 15,573,371,324,487,570/107,409,744.20 - Step 6: Final answer
x = 144,990,302.70
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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.