Finding the Fourth Proportional to 193,997,329.32, 267,676,349.97 and 111,475,170.84
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Solution
The fourth proportional to 193,997,329.32, 267,676,349.97 and 111,475,170.84 is: 153,812,771.28
Step by Step Solution
- Step 1: Write the proportion equation
193,997,329.32 : 267,676,349.97 = 111,475,170.84 : x - Step 2: Convert to fraction form
193,997,329.32/267,676,349.97 = 111,475,170.84/x - Step 3: Cross multiply
193,997,329.32x = 267,676,349.97 × 111,475,170.84 - Step 4: Simplify right side
193,997,329.32x = 29,839,266,842,733,380 - Step 5: Solve for x
x = 29,839,266,842,733,380/193,997,329.32 - Step 6: Final answer
x = 153,812,771.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.