Finding the Fourth Proportional to 65,204,498.40, 97,806,747.60 and 48,942,403.80
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Solution
The fourth proportional to 65,204,498.40, 97,806,747.60 and 48,942,403.80 is: 73,413,605.70
Step by Step Solution
- Step 1: Write the proportion equation
65,204,498.40 : 97,806,747.60 = 48,942,403.80 : x - Step 2: Convert to fraction form
65,204,498.40/97,806,747.60 = 48,942,403.80/x - Step 3: Cross multiply
65,204,498.40x = 97,806,747.60 × 48,942,403.80 - Step 4: Simplify right side
65,204,498.40x = 4,786,897,335,403,880 - Step 5: Solve for x
x = 4,786,897,335,403,880/65,204,498.40 - Step 6: Final answer
x = 73,413,605.70
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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.