Finding the Fourth Proportional to 170,816,201.40, 256,224,302.10 and 162,880,015.80
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Solution
The fourth proportional to 170,816,201.40, 256,224,302.10 and 162,880,015.80 is: 244,320,023.70
Step by Step Solution
- Step 1: Write the proportion equation
170,816,201.40 : 256,224,302.10 = 162,880,015.80 : x - Step 2: Convert to fraction form
170,816,201.40/256,224,302.10 = 162,880,015.80/x - Step 3: Cross multiply
170,816,201.40x = 256,224,302.10 × 162,880,015.80 - Step 4: Simplify right side
170,816,201.40x = 41,733,818,374,391,976 - Step 5: Solve for x
x = 41,733,818,374,391,976/170,816,201.40 - Step 6: Final answer
x = 244,320,023.70
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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.