Finding the Fourth Proportional to 215,570,418, 297,487,176.84 and 117,785,274
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Solution
The fourth proportional to 215,570,418, 297,487,176.84 and 117,785,274 is: 162,543,678.12
Step by Step Solution
- Step 1: Write the proportion equation
215,570,418 : 297,487,176.84 = 117,785,274 : x - Step 2: Convert to fraction form
215,570,418/297,487,176.84 = 117,785,274/x - Step 3: Cross multiply
215,570,418x = 297,487,176.84 × 117,785,274 - Step 4: Simplify right side
215,570,418x = 35,039,608,635,585,852 - Step 5: Solve for x
x = 35,039,608,635,585,852/215,570,418 - Step 6: Final answer
x = 162,543,678.12
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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.