Finding the Fourth Proportional to 54,330,194.41, 81,497,814.86 and 17,443,589.63
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Solution
The fourth proportional to 54,330,194.41, 81,497,814.86 and 17,443,589.63 is: 26,166,194.57
Step by Step Solution
- Step 1: Write the proportion equation
54,330,194.41 : 81,497,814.86 = 17,443,589.63 : x - Step 2: Convert to fraction form
54,330,194.41/81,497,814.86 = 17,443,589.63/x - Step 3: Cross multiply
54,330,194.41x = 81,497,814.86 × 17,443,589.63 - Step 4: Simplify right side
54,330,194.41x = 1,421,614,437,795,675.75 - Step 5: Solve for x
x = 1,421,614,437,795,675.75/54,330,194.41 - Step 6: Final answer
x = 26,166,194.57
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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.