Finding the Fourth Proportional to 113,245,979.96, 169,815,299.68 and 39,444,020.96
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Solution
The fourth proportional to 113,245,979.96, 169,815,299.68 and 39,444,020.96 is: 59,147,337.88
Step by Step Solution
- Step 1: Write the proportion equation
113,245,979.96 : 169,815,299.68 = 39,444,020.96 : x - Step 2: Convert to fraction form
113,245,979.96/169,815,299.68 = 39,444,020.96/x - Step 3: Cross multiply
113,245,979.96x = 169,815,299.68 × 39,444,020.96 - Step 4: Simplify right side
113,245,979.96x = 6,698,198,239,906,602 - Step 5: Solve for x
x = 6,698,198,239,906,602/113,245,979.96 - Step 6: Final answer
x = 59,147,337.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.