Finding the Fourth Proportional to 90,410,302,032.20, 135,615,453,048.30 and 27,525,101,078.60
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Solution
The fourth proportional to 90,410,302,032.20, 135,615,453,048.30 and 27,525,101,078.60 is: 41,287,651,617.90
Step by Step Solution
- Step 1: Write the proportion equation
90,410,302,032.20 : 135,615,453,048.30 = 27,525,101,078.60 : x - Step 2: Convert to fraction form
90,410,302,032.20/135,615,453,048.30 = 27,525,101,078.60/x - Step 3: Cross multiply
90,410,302,032.20x = 135,615,453,048.30 × 27,525,101,078.60 - Step 4: Simplify right side
90,410,302,032.20x = 3,732,829,052,974,589,804,544 - Step 5: Solve for x
x = 3,732,829,052,974,589,804,544/90,410,302,032.20 - Step 6: Final answer
x = 41,287,651,617.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.