Finding the Fourth Proportional to 82,207,130.36, 113,445,800.60 and 49,167,378.81
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Solution
The fourth proportional to 82,207,130.36, 113,445,800.60 and 49,167,378.81 is: 67,850,959.26
Step by Step Solution
- Step 1: Write the proportion equation
82,207,130.36 : 113,445,800.60 = 49,167,378.81 : x - Step 2: Convert to fraction form
82,207,130.36/113,445,800.60 = 49,167,378.81/x - Step 3: Cross multiply
82,207,130.36x = 113,445,800.60 × 49,167,378.81 - Step 4: Simplify right side
82,207,130.36x = 5,577,832,652,258,089 - Step 5: Solve for x
x = 5,577,832,652,258,089/82,207,130.36 - Step 6: Final answer
x = 67,850,959.26
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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.