Finding the Fourth Proportional to 193,545,405.20, 290,318,107.80 and 173,837,910.80
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Solution
The fourth proportional to 193,545,405.20, 290,318,107.80 and 173,837,910.80 is: 260,756,866.20
Step by Step Solution
- Step 1: Write the proportion equation
193,545,405.20 : 290,318,107.80 = 173,837,910.80 : x - Step 2: Convert to fraction form
193,545,405.20/290,318,107.80 = 173,837,910.80/x - Step 3: Cross multiply
193,545,405.20x = 290,318,107.80 × 173,837,910.80 - Step 4: Simplify right side
193,545,405.20x = 50,468,293,327,361,192 - Step 5: Solve for x
x = 50,468,293,327,361,192/193,545,405.20 - Step 6: Final answer
x = 260,756,866.20
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1.5x scale
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.