Finding the Fourth Proportional to 73,806,133.69, 101,852,460.60 and 39,858,689.44
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Solution
The fourth proportional to 73,806,133.69, 101,852,460.60 and 39,858,689.44 is: 55,004,989.33
Step by Step Solution
- Step 1: Write the proportion equation
73,806,133.69 : 101,852,460.60 = 39,858,689.44 : x - Step 2: Convert to fraction form
73,806,133.69/101,852,460.60 = 39,858,689.44/x - Step 3: Cross multiply
73,806,133.69x = 101,852,460.60 × 39,858,689.44 - Step 4: Simplify right side
73,806,133.69x = 4,059,705,595,733,081 - Step 5: Solve for x
x = 4,059,705,595,733,081/73,806,133.69 - Step 6: Final answer
x = 55,004,989.33
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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.