Finding the Fourth Proportional to 75,591,636.72, 104,260,759.68 and 57,007,559.04
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Solution
The fourth proportional to 75,591,636.72, 104,260,759.68 and 57,007,559.04 is: 78,628,425.99
Step by Step Solution
- Step 1: Write the proportion equation
75,591,636.72 : 104,260,759.68 = 57,007,559.04 : x - Step 2: Convert to fraction form
75,591,636.72/104,260,759.68 = 57,007,559.04/x - Step 3: Cross multiply
75,591,636.72x = 104,260,759.68 × 57,007,559.04 - Step 4: Simplify right side
75,591,636.72x = 5,943,651,413,012,852 - Step 5: Solve for x
x = 5,943,651,413,012,852/75,591,636.72 - Step 6: Final answer
x = 78,628,425.99
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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.