Finding the Fourth Proportional to 75,873,241.02, 104,693,928.24 and 42,378,593.33
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Solution
The fourth proportional to 75,873,241.02, 104,693,928.24 and 42,378,593.33 is: 58,476,234.16
Step by Step Solution
- Step 1: Write the proportion equation
75,873,241.02 : 104,693,928.24 = 42,378,593.33 : x - Step 2: Convert to fraction form
75,873,241.02/104,693,928.24 = 42,378,593.33/x - Step 3: Cross multiply
75,873,241.02x = 104,693,928.24 × 42,378,593.33 - Step 4: Simplify right side
75,873,241.02x = 4,436,781,408,479,693 - Step 5: Solve for x
x = 4,436,781,408,479,693/75,873,241.02 - Step 6: Final answer
x = 58,476,234.16
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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.