Finding the Fourth Proportional to 178,850,121.96, 246,814,523.38 and 99,466,286.62
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Solution
The fourth proportional to 178,850,121.96, 246,814,523.38 and 99,466,286.62 is: 137,264,229.15
Step by Step Solution
- Step 1: Write the proportion equation
178,850,121.96 : 246,814,523.38 = 99,466,286.62 : x - Step 2: Convert to fraction form
178,850,121.96/246,814,523.38 = 99,466,286.62/x - Step 3: Cross multiply
178,850,121.96x = 246,814,523.38 × 99,466,286.62 - Step 4: Simplify right side
178,850,121.96x = 24,549,724,124,493,772 - Step 5: Solve for x
x = 24,549,724,124,493,772/178,850,121.96 - Step 6: Final answer
x = 137,264,229.15
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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.