Finding the Fourth Proportional to 82,235,474.97, 113,485,088.84 and 45,059,847.81
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Solution
The fourth proportional to 82,235,474.97, 113,485,088.84 and 45,059,847.81 is: 62,182,663.06
Step by Step Solution
- Step 1: Write the proportion equation
82,235,474.97 : 113,485,088.84 = 45,059,847.81 : x - Step 2: Convert to fraction form
82,235,474.97/113,485,088.84 = 45,059,847.81/x - Step 3: Cross multiply
82,235,474.97x = 113,485,088.84 × 45,059,847.81 - Step 4: Simplify right side
82,235,474.97x = 5,113,620,831,834,730 - Step 5: Solve for x
x = 5,113,620,831,834,730/82,235,474.97 - Step 6: Final answer
x = 62,182,663.06
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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.