Finding the Fourth Proportional to 82,682,933.95, 124,110,588.65 and 36,657,125.56
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Solution
The fourth proportional to 82,682,933.95, 124,110,588.65 and 36,657,125.56 is: 55,023,899.30
Step by Step Solution
- Step 1: Write the proportion equation
82,682,933.95 : 124,110,588.65 = 36,657,125.56 : x - Step 2: Convert to fraction form
82,682,933.95/124,110,588.65 = 36,657,125.56/x - Step 3: Cross multiply
82,682,933.95x = 124,110,588.65 × 36,657,125.56 - Step 4: Simplify right side
82,682,933.95x = 4,549,537,430,974,998 - Step 5: Solve for x
x = 4,549,537,430,974,998/82,682,933.95 - Step 6: Final answer
x = 55,023,899.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.