Finding the Fourth Proportional to 122,083,669.80, 183,125,504.70 and 89,559,480.60
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Solution
The fourth proportional to 122,083,669.80, 183,125,504.70 and 89,559,480.60 is: 134,339,220.90
Step by Step Solution
- Step 1: Write the proportion equation
122,083,669.80 : 183,125,504.70 = 89,559,480.60 : x - Step 2: Convert to fraction form
122,083,669.80/183,125,504.70 = 89,559,480.60/x - Step 3: Cross multiply
122,083,669.80x = 183,125,504.70 × 89,559,480.60 - Step 4: Simplify right side
122,083,669.80x = 16,400,625,085,544,856 - Step 5: Solve for x
x = 16,400,625,085,544,856/122,083,669.80 - Step 6: Final answer
x = 134,339,220.90
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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.