Finding the Fourth Proportional to 101,546,570.76, 140,130,338.58 and 55,135,762.44
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Solution
The fourth proportional to 101,546,570.76, 140,130,338.58 and 55,135,762.44 is: 76,085,218.84
Step by Step Solution
- Step 1: Write the proportion equation
101,546,570.76 : 140,130,338.58 = 55,135,762.44 : x - Step 2: Convert to fraction form
101,546,570.76/140,130,338.58 = 55,135,762.44/x - Step 3: Cross multiply
101,546,570.76x = 140,130,338.58 × 55,135,762.44 - Step 4: Simplify right side
101,546,570.76x = 7,726,193,058,583,647 - Step 5: Solve for x
x = 7,726,193,058,583,647/101,546,570.76 - Step 6: Final answer
x = 76,085,218.84
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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.