Finding the Fourth Proportional to 82,872,533.88, 124,318,412.73 and 27,545,326.74
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Solution
The fourth proportional to 82,872,533.88, 124,318,412.73 and 27,545,326.74 is: 41,321,184.93
Step by Step Solution
- Step 1: Write the proportion equation
82,872,533.88 : 124,318,412.73 = 27,545,326.74 : x - Step 2: Convert to fraction form
82,872,533.88/124,318,412.73 = 27,545,326.74/x - Step 3: Cross multiply
82,872,533.88x = 124,318,412.73 × 27,545,326.74 - Step 4: Simplify right side
82,872,533.88x = 3,424,391,298,446,025.50 - Step 5: Solve for x
x = 3,424,391,298,446,025.50/82,872,533.88 - Step 6: Final answer
x = 41,321,184.93
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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.