Finding the Fourth Proportional to 209,059,531.19, 313,522,161.28 and 68,968,497.41
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Solution
The fourth proportional to 209,059,531.19, 313,522,161.28 and 68,968,497.41 is: 103,430,598.19
Step by Step Solution
- Step 1: Write the proportion equation
209,059,531.19 : 313,522,161.28 = 68,968,497.41 : x - Step 2: Convert to fraction form
209,059,531.19/313,522,161.28 = 68,968,497.41/x - Step 3: Cross multiply
209,059,531.19x = 313,522,161.28 × 68,968,497.41 - Step 4: Simplify right side
209,059,531.19x = 21,623,152,368,217,280 - Step 5: Solve for x
x = 21,623,152,368,217,280/209,059,531.19 - Step 6: Final answer
x = 103,430,598.19
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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.