Finding the Fourth Proportional to 209,323,688.84, 313,960,805.58 and 55,981,629.80
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Solution
The fourth proportional to 209,323,688.84, 313,960,805.58 and 55,981,629.80 is: 83,965,831.52
Step by Step Solution
- Step 1: Write the proportion equation
209,323,688.84 : 313,960,805.58 = 55,981,629.80 : x - Step 2: Convert to fraction form
209,323,688.84/313,960,805.58 = 55,981,629.80/x - Step 3: Cross multiply
209,323,688.84x = 313,960,805.58 × 55,981,629.80 - Step 4: Simplify right side
209,323,688.84x = 17,576,037,589,689,332 - Step 5: Solve for x
x = 17,576,037,589,689,332/209,323,688.84 - Step 6: Final answer
x = 83,965,831.52
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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.