Finding the Fourth Proportional to 156,913,586.02, 216,450,578.18 and 98,074,136.26
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Solution
The fourth proportional to 156,913,586.02, 216,450,578.18 and 98,074,136.26 is: 135,285,949.65
Step by Step Solution
- Step 1: Write the proportion equation
156,913,586.02 : 216,450,578.18 = 98,074,136.26 : x - Step 2: Convert to fraction form
156,913,586.02/216,450,578.18 = 98,074,136.26/x - Step 3: Cross multiply
156,913,586.02x = 216,450,578.18 × 98,074,136.26 - Step 4: Simplify right side
156,913,586.02x = 21,228,203,497,981,104 - Step 5: Solve for x
x = 21,228,203,497,981,104/156,913,586.02 - Step 6: Final answer
x = 135,285,949.65
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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.