Finding the Fourth Proportional to 71,416,044.05, 98,555,220.65 and 40,061,043.53
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Solution
The fourth proportional to 71,416,044.05, 98,555,220.65 and 40,061,043.53 is: 55,284,845.82
Step by Step Solution
- Step 1: Write the proportion equation
71,416,044.05 : 98,555,220.65 = 40,061,043.53 : x - Step 2: Convert to fraction form
71,416,044.05/98,555,220.65 = 40,061,043.53/x - Step 3: Cross multiply
71,416,044.05x = 98,555,220.65 × 40,061,043.53 - Step 4: Simplify right side
71,416,044.05x = 3,948,224,984,568,405.50 - Step 5: Solve for x
x = 3,948,224,984,568,405.50/71,416,044.05 - Step 6: Final answer
x = 55,284,845.82
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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.