Finding the Fourth Proportional to 71,459,124.11, 107,193,809.44 and 29,918,197.56
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Solution
The fourth proportional to 71,459,124.11, 107,193,809.44 and 29,918,197.56 is: 44,879,441.33
Step by Step Solution
- Step 1: Write the proportion equation
71,459,124.11 : 107,193,809.44 = 29,918,197.56 : x - Step 2: Convert to fraction form
71,459,124.11/107,193,809.44 = 29,918,197.56/x - Step 3: Cross multiply
71,459,124.11x = 107,193,809.44 × 29,918,197.56 - Step 4: Simplify right side
71,459,124.11x = 3,207,045,567,960,117.50 - Step 5: Solve for x
x = 3,207,045,567,960,117.50/71,459,124.11 - Step 6: Final answer
x = 44,879,441.33
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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.