Finding the Fourth Proportional to 76,898,847.63, 106,121,071.51 and 43,860,770.23
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Solution
The fourth proportional to 76,898,847.63, 106,121,071.51 and 43,860,770.23 is: 60,528,240.38
Step by Step Solution
- Step 1: Write the proportion equation
76,898,847.63 : 106,121,071.51 = 43,860,770.23 : x - Step 2: Convert to fraction form
76,898,847.63/106,121,071.51 = 43,860,770.23/x - Step 3: Cross multiply
76,898,847.63x = 106,121,071.51 × 43,860,770.23 - Step 4: Simplify right side
76,898,847.63x = 4,654,551,934,061,509 - Step 5: Solve for x
x = 4,654,551,934,061,509/76,898,847.63 - Step 6: Final answer
x = 60,528,240.38
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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.