Finding the Fourth Proportional to 88,548,513.39, 122,236,131.80 and 57,201,846.60
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Solution
The fourth proportional to 88,548,513.39, 122,236,131.80 and 57,201,846.60 is: 78,963,860.52
Step by Step Solution
- Step 1: Write the proportion equation
88,548,513.39 : 122,236,131.80 = 57,201,846.60 : x - Step 2: Convert to fraction form
88,548,513.39/122,236,131.80 = 57,201,846.60/x - Step 3: Cross multiply
88,548,513.39x = 122,236,131.80 × 57,201,846.60 - Step 4: Simplify right side
88,548,513.39x = 6,992,132,460,480,898 - Step 5: Solve for x
x = 6,992,132,460,480,898/88,548,513.39 - Step 6: Final answer
x = 78,963,860.52
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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.