Finding the Fourth Proportional to 82,808,556.96, 114,276,277.08 and 48,021,901.68
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Solution
The fourth proportional to 82,808,556.96, 114,276,277.08 and 48,021,901.68 is: 66,270,495.99
Step by Step Solution
- Step 1: Write the proportion equation
82,808,556.96 : 114,276,277.08 = 48,021,901.68 : x - Step 2: Convert to fraction form
82,808,556.96/114,276,277.08 = 48,021,901.68/x - Step 3: Cross multiply
82,808,556.96x = 114,276,277.08 × 48,021,901.68 - Step 4: Simplify right side
82,808,556.96x = 5,487,764,142,292,197 - Step 5: Solve for x
x = 5,487,764,142,292,197/82,808,556.96 - Step 6: Final answer
x = 66,270,495.99
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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.