Finding the Fourth Proportional to 411,800,922.18, 617,700,861.63 and 105,093,041.94
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Solution
The fourth proportional to 411,800,922.18, 617,700,861.63 and 105,093,041.94 is: 157,639,429.79
Step by Step Solution
- Step 1: Write the proportion equation
411,800,922.18 : 617,700,861.63 = 105,093,041.94 : x - Step 2: Convert to fraction form
411,800,922.18/617,700,861.63 = 105,093,041.94/x - Step 3: Cross multiply
411,800,922.18x = 617,700,861.63 × 105,093,041.94 - Step 4: Simplify right side
411,800,922.18x = 64,916,062,557,655,728 - Step 5: Solve for x
x = 64,916,062,557,655,728/411,800,922.18 - Step 6: Final answer
x = 157,639,429.79
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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.