Finding the Fourth Proportional to 82,817,901.96, 114,289,156.62 and 48,031,216.44
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Solution
The fourth proportional to 82,817,901.96, 114,289,156.62 and 48,031,216.44 is: 66,283,340.78
Step by Step Solution
- Step 1: Write the proportion equation
82,817,901.96 : 114,289,156.62 = 48,031,216.44 : x - Step 2: Convert to fraction form
82,817,901.96/114,289,156.62 = 48,031,216.44/x - Step 3: Cross multiply
82,817,901.96x = 114,289,156.62 × 48,031,216.44 - Step 4: Simplify right side
82,817,901.96x = 5,489,447,218,360,279 - Step 5: Solve for x
x = 5,489,447,218,360,279/82,817,901.96 - Step 6: Final answer
x = 66,283,340.78
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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.