Finding the Fourth Proportional to 68,860,163.34, 95,026,086.55 and 39,090,552.46
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Solution
The fourth proportional to 68,860,163.34, 95,026,086.55 and 39,090,552.46 is: 53,944,429.42
Step by Step Solution
- Step 1: Write the proportion equation
68,860,163.34 : 95,026,086.55 = 39,090,552.46 : x - Step 2: Convert to fraction form
68,860,163.34/95,026,086.55 = 39,090,552.46/x - Step 3: Cross multiply
68,860,163.34x = 95,026,086.55 × 39,090,552.46 - Step 4: Simplify right side
68,860,163.34x = 3,714,622,220,680,692 - Step 5: Solve for x
x = 3,714,622,220,680,692/68,860,163.34 - Step 6: Final answer
x = 53,944,429.42
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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.