Finding the Fourth Proportional to 198,220,152.96, 273,551,567.04 and 135,627,528.96
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Solution
The fourth proportional to 198,220,152.96, 273,551,567.04 and 135,627,528.96 is: 187,171,296.80
Step by Step Solution
- Step 1: Write the proportion equation
198,220,152.96 : 273,551,567.04 = 135,627,528.96 : x - Step 2: Convert to fraction form
198,220,152.96/273,551,567.04 = 135,627,528.96/x - Step 3: Cross multiply
198,220,152.96x = 273,551,567.04 × 135,627,528.96 - Step 4: Simplify right side
198,220,152.96x = 37,101,123,080,770,984 - Step 5: Solve for x
x = 37,101,123,080,770,984/198,220,152.96 - Step 6: Final answer
x = 187,171,296.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.