Finding the Fourth Proportional to 71,021,225.98, 97,981,405.71 and 41,246,805.55
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Solution
The fourth proportional to 71,021,225.98, 97,981,405.71 and 41,246,805.55 is: 56,904,396.30
Step by Step Solution
- Step 1: Write the proportion equation
71,021,225.98 : 97,981,405.71 = 41,246,805.55 : x - Step 2: Convert to fraction form
71,021,225.98/97,981,405.71 = 41,246,805.55/x - Step 3: Cross multiply
71,021,225.98x = 97,981,405.71 × 41,246,805.55 - Step 4: Simplify right side
71,021,225.98x = 4,041,419,988,836,029 - Step 5: Solve for x
x = 4,041,419,988,836,029/71,021,225.98 - Step 6: Final answer
x = 56,904,396.30
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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.