Finding the Fourth Proportional to 118,211,704.20, 177,317,556.30 and 102,055,897.80
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Solution
The fourth proportional to 118,211,704.20, 177,317,556.30 and 102,055,897.80 is: 153,083,846.70
Step by Step Solution
- Step 1: Write the proportion equation
118,211,704.20 : 177,317,556.30 = 102,055,897.80 : x - Step 2: Convert to fraction form
118,211,704.20/177,317,556.30 = 102,055,897.80/x - Step 3: Cross multiply
118,211,704.20x = 177,317,556.30 × 102,055,897.80 - Step 4: Simplify right side
118,211,704.20x = 18,096,302,403,898,548 - Step 5: Solve for x
x = 18,096,302,403,898,548/118,211,704.20 - Step 6: Final answer
x = 153,083,846.70
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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.