Finding the Fourth Proportional to 172,376,099.80, 258,564,149.70 and 104,351,651.80
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Solution
The fourth proportional to 172,376,099.80, 258,564,149.70 and 104,351,651.80 is: 156,527,477.70
Step by Step Solution
- Step 1: Write the proportion equation
172,376,099.80 : 258,564,149.70 = 104,351,651.80 : x - Step 2: Convert to fraction form
172,376,099.80/258,564,149.70 = 104,351,651.80/x - Step 3: Cross multiply
172,376,099.80x = 258,564,149.70 × 104,351,651.80 - Step 4: Simplify right side
172,376,099.80x = 26,981,596,117,457,472 - Step 5: Solve for x
x = 26,981,596,117,457,472/172,376,099.80 - Step 6: Final answer
x = 156,527,477.70
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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.