Finding the Fourth Proportional to 82,749,087.54, 114,193,740.35 and 47,961,956.08
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Solution
The fourth proportional to 82,749,087.54, 114,193,740.35 and 47,961,956.08 is: 66,187,499.12
Step by Step Solution
- Step 1: Write the proportion equation
82,749,087.54 : 114,193,740.35 = 47,961,956.08 : x - Step 2: Convert to fraction form
82,749,087.54/114,193,740.35 = 47,961,956.08/x - Step 3: Cross multiply
82,749,087.54x = 114,193,740.35 × 47,961,956.08 - Step 4: Simplify right side
82,749,087.54x = 5,476,955,159,112,045 - Step 5: Solve for x
x = 5,476,955,159,112,045/82,749,087.54 - Step 6: Final answer
x = 66,187,499.12
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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.