Finding the Fourth Proportional to 206,341,776.48, 284,751,641.88 and 113,520,291.42
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Solution
The fourth proportional to 206,341,776.48, 284,751,641.88 and 113,520,291.42 is: 156,657,996.84
Step by Step Solution
- Step 1: Write the proportion equation
206,341,776.48 : 284,751,641.88 = 113,520,291.42 : x - Step 2: Convert to fraction form
206,341,776.48/284,751,641.88 = 113,520,291.42/x - Step 3: Cross multiply
206,341,776.48x = 284,751,641.88 × 113,520,291.42 - Step 4: Simplify right side
206,341,776.48x = 32,325,089,368,541,076 - Step 5: Solve for x
x = 32,325,089,368,541,076/206,341,776.48 - Step 6: Final answer
x = 156,657,996.84
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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.