Finding the Fourth Proportional to 65,204,613.20, 97,806,919.80 and 34,971,525.20
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Solution
The fourth proportional to 65,204,613.20, 97,806,919.80 and 34,971,525.20 is: 52,457,287.80
Step by Step Solution
- Step 1: Write the proportion equation
65,204,613.20 : 97,806,919.80 = 34,971,525.20 : x - Step 2: Convert to fraction form
65,204,613.20/97,806,919.80 = 34,971,525.20/x - Step 3: Cross multiply
65,204,613.20x = 97,806,919.80 × 34,971,525.20 - Step 4: Simplify right side
65,204,613.20x = 3,420,457,160,520,079 - Step 5: Solve for x
x = 3,420,457,160,520,079/65,204,613.20 - Step 6: Final answer
x = 52,457,287.80
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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.