Finding the Fourth Proportional to 176,273,644.20, 264,497,363.10 and 79,297,981.80
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Solution
The fourth proportional to 176,273,644.20, 264,497,363.10 and 79,297,981.80 is: 118,986,063.86
Step by Step Solution
- Step 1: Write the proportion equation
176,273,644.20 : 264,497,363.10 = 79,297,981.80 : x - Step 2: Convert to fraction form
176,273,644.20/264,497,363.10 = 79,297,981.80/x - Step 3: Cross multiply
176,273,644.20x = 264,497,363.10 × 79,297,981.80 - Step 4: Simplify right side
176,273,644.20x = 20,974,107,085,251,792 - Step 5: Solve for x
x = 20,974,107,085,251,792/176,273,644.20 - Step 6: Final answer
x = 118,986,063.86
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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.