Finding the Fourth Proportional to 53,438,193.92, 73,744,399.68 and 28,991,383.04
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Solution
The fourth proportional to 53,438,193.92, 73,744,399.68 and 28,991,383.04 is: 40,007,941.54
Step by Step Solution
- Step 1: Write the proportion equation
53,438,193.92 : 73,744,399.68 = 28,991,383.04 : x - Step 2: Convert to fraction form
53,438,193.92/73,744,399.68 = 28,991,383.04/x - Step 3: Cross multiply
53,438,193.92x = 73,744,399.68 × 28,991,383.04 - Step 4: Simplify right side
53,438,193.92x = 2,137,952,138,177,733.50 - Step 5: Solve for x
x = 2,137,952,138,177,733.50/53,438,193.92 - Step 6: Final answer
x = 40,007,941.54
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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.