Finding the Fourth Proportional to 54,193,986.91, 81,273,848.68 and 17,796,376.99
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Solution
The fourth proportional to 54,193,986.91, 81,273,848.68 and 17,796,376.99 is: 26,688,939.73
Step by Step Solution
- Step 1: Write the proportion equation
54,193,986.91 : 81,273,848.68 = 17,796,376.99 : x - Step 2: Convert to fraction form
54,193,986.91/81,273,848.68 = 17,796,376.99/x - Step 3: Cross multiply
54,193,986.91x = 81,273,848.68 × 17,796,376.99 - Step 4: Simplify right side
54,193,986.91x = 1,446,380,050,086,633.50 - Step 5: Solve for x
x = 1,446,380,050,086,633.50/54,193,986.91 - Step 6: Final answer
x = 26,688,939.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.