Finding the Fourth Proportional to 162,268,793.24, 223,906,167.68 and 91,678,646.72
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Solution
The fourth proportional to 162,268,793.24, 223,906,167.68 and 91,678,646.72 is: 126,502,539.62
Step by Step Solution
- Step 1: Write the proportion equation
162,268,793.24 : 223,906,167.68 = 91,678,646.72 : x - Step 2: Convert to fraction form
162,268,793.24/223,906,167.68 = 91,678,646.72/x - Step 3: Cross multiply
162,268,793.24x = 223,906,167.68 × 91,678,646.72 - Step 4: Simplify right side
162,268,793.24x = 20,527,414,445,163,804 - Step 5: Solve for x
x = 20,527,414,445,163,804/162,268,793.24 - Step 6: Final answer
x = 126,502,539.62
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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.