Finding the Fourth Proportional to 53,148,293.31, 73,344,645.68 and 28,702,007.31
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Solution
The fourth proportional to 53,148,293.31, 73,344,645.68 and 28,702,007.31 is: 39,608,770.58
Step by Step Solution
- Step 1: Write the proportion equation
53,148,293.31 : 73,344,645.68 = 28,702,007.31 : x - Step 2: Convert to fraction form
53,148,293.31/73,344,645.68 = 28,702,007.31/x - Step 3: Cross multiply
53,148,293.31x = 73,344,645.68 × 28,702,007.31 - Step 4: Simplify right side
53,148,293.31x = 2,105,138,556,313,209.75 - Step 5: Solve for x
x = 2,105,138,556,313,209.75/53,148,293.31 - Step 6: Final answer
x = 39,608,770.58
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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.