Finding the Fourth Proportional to 82,857,349.62, 114,392,136.51 and 73,664,557.74
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Solution
The fourth proportional to 82,857,349.62, 114,392,136.51 and 73,664,557.74 is: 101,700,647.96
Step by Step Solution
- Step 1: Write the proportion equation
82,857,349.62 : 114,392,136.51 = 73,664,557.74 : x - Step 2: Convert to fraction form
82,857,349.62/114,392,136.51 = 73,664,557.74/x - Step 3: Cross multiply
82,857,349.62x = 114,392,136.51 × 73,664,557.74 - Step 4: Simplify right side
82,857,349.62x = 8,426,646,144,942,857 - Step 5: Solve for x
x = 8,426,646,144,942,857/82,857,349.62 - Step 6: Final answer
x = 101,700,647.96
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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.