Finding the Fourth Proportional to 52,860,951.61, 72,961,522.30 and 36,122,470.09
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Solution
The fourth proportional to 52,860,951.61, 72,961,522.30 and 36,122,470.09 is: 49,858,171.80
Step by Step Solution
- Step 1: Write the proportion equation
52,860,951.61 : 72,961,522.30 = 36,122,470.09 : x - Step 2: Convert to fraction form
52,860,951.61/72,961,522.30 = 36,122,470.09/x - Step 3: Cross multiply
52,860,951.61x = 72,961,522.30 × 36,122,470.09 - Step 4: Simplify right side
52,860,951.61x = 2,635,550,406,865,367 - Step 5: Solve for x
x = 2,635,550,406,865,367/52,860,951.61 - Step 6: Final answer
x = 49,858,171.80
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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.