Finding the Fourth Proportional to 85,567,169.70, 118,085,367.24 and 48,396,722.63
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Solution
The fourth proportional to 85,567,169.70, 118,085,367.24 and 48,396,722.63 is: 66,788,989.10
Step by Step Solution
- Step 1: Write the proportion equation
85,567,169.70 : 118,085,367.24 = 48,396,722.63 : x - Step 2: Convert to fraction form
85,567,169.70/118,085,367.24 = 48,396,722.63/x - Step 3: Cross multiply
85,567,169.70x = 118,085,367.24 × 48,396,722.63 - Step 4: Simplify right side
85,567,169.70x = 5,714,944,764,385,542 - Step 5: Solve for x
x = 5,714,944,764,385,542/85,567,169.70 - Step 6: Final answer
x = 66,788,989.10
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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.