Finding the Fourth Proportional to 75,716,241.57, 104,574,603.51 and 50,893,332.63
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Solution
The fourth proportional to 75,716,241.57, 104,574,603.51 and 50,893,332.63 is: 70,290,732.49
Step by Step Solution
- Step 1: Write the proportion equation
75,716,241.57 : 104,574,603.51 = 50,893,332.63 : x - Step 2: Convert to fraction form
75,716,241.57/104,574,603.51 = 50,893,332.63/x - Step 3: Cross multiply
75,716,241.57x = 104,574,603.51 × 50,893,332.63 - Step 4: Simplify right side
75,716,241.57x = 5,322,150,081,084,796 - Step 5: Solve for x
x = 5,322,150,081,084,796/75,716,241.57 - Step 6: Final answer
x = 70,290,732.49
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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.