Finding the Fourth Proportional to 209,323,689.84, 313,960,807.08 and 55,981,630.80
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Solution
The fourth proportional to 209,323,689.84, 313,960,807.08 and 55,981,630.80 is: 83,965,833.02
Step by Step Solution
- Step 1: Write the proportion equation
209,323,689.84 : 313,960,807.08 = 55,981,630.80 : x - Step 2: Convert to fraction form
209,323,689.84/313,960,807.08 = 55,981,630.80/x - Step 3: Cross multiply
209,323,689.84x = 313,960,807.08 × 55,981,630.80 - Step 4: Simplify right side
209,323,689.84x = 17,576,037,987,622,584 - Step 5: Solve for x
x = 17,576,037,987,622,584/209,323,689.84 - Step 6: Final answer
x = 83,965,833.02
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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.