Finding the Fourth Proportional to 208,212,380.08, 310,457,096.20 and 202,491,874.46
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Solution
The fourth proportional to 208,212,380.08, 310,457,096.20 and 202,491,874.46 is: 301,927,480.61
Step by Step Solution
- Step 1: Write the proportion equation
208,212,380.08 : 310,457,096.20 = 202,491,874.46 : x - Step 2: Convert to fraction form
208,212,380.08/310,457,096.20 = 202,491,874.46/x - Step 3: Cross multiply
208,212,380.08x = 310,457,096.20 × 202,491,874.46 - Step 4: Simplify right side
208,212,380.08x = 62,865,039,348,946,544 - Step 5: Solve for x
x = 62,865,039,348,946,544/208,212,380.08 - Step 6: Final answer
x = 301,927,480.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.