Finding the Fourth Proportional to 265,397,222.15, 366,249,866.68 and 147,930,000.78
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Solution
The fourth proportional to 265,397,222.15, 366,249,866.68 and 147,930,000.78 is: 204,144,348.70
Step by Step Solution
- Step 1: Write the proportion equation
265,397,222.15 : 366,249,866.68 = 147,930,000.78 : x - Step 2: Convert to fraction form
265,397,222.15/366,249,866.68 = 147,930,000.78/x - Step 3: Cross multiply
265,397,222.15x = 366,249,866.68 × 147,930,000.78 - Step 4: Simplify right side
265,397,222.15x = 54,179,343,063,647,296 - Step 5: Solve for x
x = 54,179,343,063,647,296/265,397,222.15 - Step 6: Final answer
x = 204,144,348.70
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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.