Finding the Fourth Proportional to 65,204,467.40, 97,806,701.10 and 48,942,372.80
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Solution
The fourth proportional to 65,204,467.40, 97,806,701.10 and 48,942,372.80 is: 73,413,559.20
Step by Step Solution
- Step 1: Write the proportion equation
65,204,467.40 : 97,806,701.10 = 48,942,372.80 : x - Step 2: Convert to fraction form
65,204,467.40/97,806,701.10 = 48,942,372.80/x - Step 3: Cross multiply
65,204,467.40x = 97,806,701.10 × 48,942,372.80 - Step 4: Simplify right side
65,204,467.40x = 4,786,892,027,574,369 - Step 5: Solve for x
x = 4,786,892,027,574,369/65,204,467.40 - Step 6: Final answer
x = 73,413,559.20
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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.