Finding the Fourth Proportional to 122,239,601.60, 183,296,416.80 and 45,523,140.80
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Solution
The fourth proportional to 122,239,601.60, 183,296,416.80 and 45,523,140.80 is: 68,261,254.79
Step by Step Solution
- Step 1: Write the proportion equation
122,239,601.60 : 183,296,416.80 = 45,523,140.80 : x - Step 2: Convert to fraction form
122,239,601.60/183,296,416.80 = 45,523,140.80/x - Step 3: Cross multiply
122,239,601.60x = 183,296,416.80 × 45,523,140.80 - Step 4: Simplify right side
122,239,601.60x = 8,344,228,590,121,885 - Step 5: Solve for x
x = 8,344,228,590,121,885/122,239,601.60 - Step 6: Final answer
x = 68,261,254.79
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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.