Finding the Fourth Proportional to 113,173,816,584.92, 156,180,352,437.49 and 61,733,497,430.75
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Solution
The fourth proportional to 113,173,816,584.92, 156,180,352,437.49 and 61,733,497,430.75 is: 85,192,491,310.02
Step by Step Solution
- Step 1: Write the proportion equation
113,173,816,584.92 : 156,180,352,437.49 = 61,733,497,430.75 : x - Step 2: Convert to fraction form
113,173,816,584.92/156,180,352,437.49 = 61,733,497,430.75/x - Step 3: Cross multiply
113,173,816,584.92x = 156,180,352,437.49 × 61,733,497,430.75 - Step 4: Simplify right side
113,173,816,584.92x = 9,641,559,385,932,793,118,720 - Step 5: Solve for x
x = 9,641,559,385,932,793,118,720/113,173,816,584.92 - Step 6: Final answer
x = 85,192,491,310.02
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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.