Finding the Fourth Proportional to 85,567,269.15, 118,085,504.43 and 48,396,822.09
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Solution
The fourth proportional to 85,567,269.15, 118,085,504.43 and 48,396,822.09 is: 66,789,126.33
Step by Step Solution
- Step 1: Write the proportion equation
85,567,269.15 : 118,085,504.43 = 48,396,822.09 : x - Step 2: Convert to fraction form
85,567,269.15/118,085,504.43 = 48,396,822.09/x - Step 3: Cross multiply
85,567,269.15x = 118,085,504.43 × 48,396,822.09 - Step 4: Simplify right side
85,567,269.15x = 5,714,963,149,306,618 - Step 5: Solve for x
x = 5,714,963,149,306,618/85,567,269.15 - Step 6: Final answer
x = 66,789,126.33
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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.