Finding the Fourth Proportional to 53,236,838.96, 73,467,059.16 and 28,790,552.96
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Solution
The fourth proportional to 53,236,838.96, 73,467,059.16 and 28,790,552.96 is: 39,731,082.82
Step by Step Solution
- Step 1: Write the proportion equation
53,236,838.96 : 73,467,059.16 = 28,790,552.96 : x - Step 2: Convert to fraction form
53,236,838.96/73,467,059.16 = 28,790,552.96/x - Step 3: Cross multiply
53,236,838.96x = 73,467,059.16 × 28,790,552.96 - Step 4: Simplify right side
53,236,838.96x = 2,115,157,257,561,433 - Step 5: Solve for x
x = 2,115,157,257,561,433/53,236,838.96 - Step 6: Final answer
x = 39,731,082.82
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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.