Finding the Fourth Proportional to 76,616,599.89, 105,733,140.73 and 41,811,532.19
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Solution
The fourth proportional to 76,616,599.89, 105,733,140.73 and 41,811,532.19 is: 57,701,132.95
Step by Step Solution
- Step 1: Write the proportion equation
76,616,599.89 : 105,733,140.73 = 41,811,532.19 : x - Step 2: Convert to fraction form
76,616,599.89/105,733,140.73 = 41,811,532.19/x - Step 3: Cross multiply
76,616,599.89x = 105,733,140.73 × 41,811,532.19 - Step 4: Simplify right side
76,616,599.89x = 4,420,864,616,549,001 - Step 5: Solve for x
x = 4,420,864,616,549,001/76,616,599.89 - Step 6: Final answer
x = 57,701,132.95
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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.