Finding the Fourth Proportional to 73,528,939.74, 101,469,936.88 and 40,489,110.12
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Solution
The fourth proportional to 73,528,939.74, 101,469,936.88 and 40,489,110.12 is: 55,874,971.99
Step by Step Solution
- Step 1: Write the proportion equation
73,528,939.74 : 101,469,936.88 = 40,489,110.12 : x - Step 2: Convert to fraction form
73,528,939.74/101,469,936.88 = 40,489,110.12/x - Step 3: Cross multiply
73,528,939.74x = 101,469,936.88 × 40,489,110.12 - Step 4: Simplify right side
73,528,939.74x = 4,108,427,448,203,769 - Step 5: Solve for x
x = 4,108,427,448,203,769/73,528,939.74 - Step 6: Final answer
x = 55,874,971.99
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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.