Finding the Fourth Proportional to 68,368,790.34, 94,333,847.94 and 40,477,651.56
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Solution
The fourth proportional to 68,368,790.34, 94,333,847.94 and 40,477,651.56 is: 55,850,229.44
Step by Step Solution
- Step 1: Write the proportion equation
68,368,790.34 : 94,333,847.94 = 40,477,651.56 : x - Step 2: Convert to fraction form
68,368,790.34/94,333,847.94 = 40,477,651.56/x - Step 3: Cross multiply
68,368,790.34x = 94,333,847.94 × 40,477,651.56 - Step 4: Simplify right side
68,368,790.34x = 3,818,412,627,229,344 - Step 5: Solve for x
x = 3,818,412,627,229,344/68,368,790.34 - Step 6: Final answer
x = 55,850,229.44
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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.