Finding the Fourth Proportional to 53,165,518.75, 73,368,481.62 and 28,719,232.75
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Solution
The fourth proportional to 53,165,518.75, 73,368,481.62 and 28,719,232.75 is: 39,632,576.71
Step by Step Solution
- Step 1: Write the proportion equation
53,165,518.75 : 73,368,481.62 = 28,719,232.75 : x - Step 2: Convert to fraction form
53,165,518.75/73,368,481.62 = 28,719,232.75/x - Step 3: Cross multiply
53,165,518.75x = 73,368,481.62 × 28,719,232.75 - Step 4: Simplify right side
53,165,518.75x = 2,107,086,500,158,877.25 - Step 5: Solve for x
x = 2,107,086,500,158,877.25/53,165,518.75 - Step 6: Final answer
x = 39,632,576.71
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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.