Finding the Fourth Proportional to 122,542,777.60, 183,625,209.60 and 106,292,492.80
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Solution
The fourth proportional to 122,542,777.60, 183,625,209.60 and 106,292,492.80 is: 159,274,839.79
Step by Step Solution
- Step 1: Write the proportion equation
122,542,777.60 : 183,625,209.60 = 106,292,492.80 : x - Step 2: Convert to fraction form
122,542,777.60/183,625,209.60 = 106,292,492.80/x - Step 3: Cross multiply
122,542,777.60x = 183,625,209.60 × 106,292,492.80 - Step 4: Simplify right side
122,542,777.60x = 19,517,981,269,306,488 - Step 5: Solve for x
x = 19,517,981,269,306,488/122,542,777.60 - Step 6: Final answer
x = 159,274,839.79
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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.