Finding the Fourth Proportional to 82,749,172.14, 114,193,856.84 and 47,962,040.58
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Solution
The fourth proportional to 82,749,172.14, 114,193,856.84 and 47,962,040.58 is: 66,187,615.58
Step by Step Solution
- Step 1: Write the proportion equation
82,749,172.14 : 114,193,856.84 = 47,962,040.58 : x - Step 2: Convert to fraction form
82,749,172.14/114,193,856.84 = 47,962,040.58/x - Step 3: Cross multiply
82,749,172.14x = 114,193,856.84 × 47,962,040.58 - Step 4: Simplify right side
82,749,172.14x = 5,476,970,395,506,980 - Step 5: Solve for x
x = 5,476,970,395,506,980/82,749,172.14 - Step 6: Final answer
x = 66,187,615.58
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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.