Finding the Fourth Proportional to 165,590,122.68, 228,515,880.66 and 91,253,350.47
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Solution
The fourth proportional to 165,590,122.68, 228,515,880.66 and 91,253,350.47 is: 125,930,456.54
Step by Step Solution
- Step 1: Write the proportion equation
165,590,122.68 : 228,515,880.66 = 91,253,350.47 : x - Step 2: Convert to fraction form
165,590,122.68/228,515,880.66 = 91,253,350.47/x - Step 3: Cross multiply
165,590,122.68x = 228,515,880.66 × 91,253,350.47 - Step 4: Simplify right side
165,590,122.68x = 20,852,839,746,856,164 - Step 5: Solve for x
x = 20,852,839,746,856,164/165,590,122.68 - Step 6: Final answer
x = 125,930,456.54
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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.