Finding the Fourth Proportional to 54,086,145.96, 74,638,947.04 and 29,306,313.24
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Solution
The fourth proportional to 54,086,145.96, 74,638,947.04 and 29,306,313.24 is: 40,442,747.82
Step by Step Solution
- Step 1: Write the proportion equation
54,086,145.96 : 74,638,947.04 = 29,306,313.24 : x - Step 2: Convert to fraction form
54,086,145.96/74,638,947.04 = 29,306,313.24/x - Step 3: Cross multiply
54,086,145.96x = 74,638,947.04 × 29,306,313.24 - Step 4: Simplify right side
54,086,145.96x = 2,187,392,361,858,011 - Step 5: Solve for x
x = 2,187,392,361,858,011/54,086,145.96 - Step 6: Final answer
x = 40,442,747.82
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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.