Finding the Fourth Proportional to 211,367,999.80, 317,051,999.70 and 96,576,743.80
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Solution
The fourth proportional to 211,367,999.80, 317,051,999.70 and 96,576,743.80 is: 144,865,115.70
Step by Step Solution
- Step 1: Write the proportion equation
211,367,999.80 : 317,051,999.70 = 96,576,743.80 : x - Step 2: Convert to fraction form
211,367,999.80/317,051,999.70 = 96,576,743.80/x - Step 3: Cross multiply
211,367,999.80x = 317,051,999.70 × 96,576,743.80 - Step 4: Simplify right side
211,367,999.80x = 30,619,849,746,304,576 - Step 5: Solve for x
x = 30,619,849,746,304,576/211,367,999.80 - Step 6: Final answer
x = 144,865,115.70
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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.