Finding the Fourth Proportional to 88,548,512.77, 122,236,130.94 and 57,201,845.98
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Solution
The fourth proportional to 88,548,512.77, 122,236,130.94 and 57,201,845.98 is: 78,963,859.66
Step by Step Solution
- Step 1: Write the proportion equation
88,548,512.77 : 122,236,130.94 = 57,201,845.98 : x - Step 2: Convert to fraction form
88,548,512.77/122,236,130.94 = 57,201,845.98/x - Step 3: Cross multiply
88,548,512.77x = 122,236,130.94 × 57,201,845.98 - Step 4: Simplify right side
88,548,512.77x = 6,992,132,334,853,690 - Step 5: Solve for x
x = 6,992,132,334,853,690/88,548,512.77 - Step 6: Final answer
x = 78,963,859.66
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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.