Finding the Fourth Proportional to 207,440,714.20, 311,176,817.70 and 61,862,913.40
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Solution
The fourth proportional to 207,440,714.20, 311,176,817.70 and 61,862,913.40 is: 92,799,065.99
Step by Step Solution
- Step 1: Write the proportion equation
207,440,714.20 : 311,176,817.70 = 61,862,913.40 : x - Step 2: Convert to fraction form
207,440,714.20/311,176,817.70 = 61,862,913.40/x - Step 3: Cross multiply
207,440,714.20x = 311,176,817.70 × 61,862,913.40 - Step 4: Simplify right side
207,440,714.20x = 19,250,304,525,462,684 - Step 5: Solve for x
x = 19,250,304,525,462,684/207,440,714.20 - Step 6: Final answer
x = 92,799,065.99
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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.