Finding the Fourth Proportional to 287,523,596.10, 431,479,451.16 and 112,624,936.14
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Solution
The fourth proportional to 287,523,596.10, 431,479,451.16 and 112,624,936.14 is: 169,013,417.65
Step by Step Solution
- Step 1: Write the proportion equation
287,523,596.10 : 431,479,451.16 = 112,624,936.14 : x - Step 2: Convert to fraction form
287,523,596.10/431,479,451.16 = 112,624,936.14/x - Step 3: Cross multiply
287,523,596.10x = 431,479,451.16 × 112,624,936.14 - Step 4: Simplify right side
287,523,596.10x = 48,595,345,632,617,256 - Step 5: Solve for x
x = 48,595,345,632,617,256/287,523,596.10 - Step 6: Final answer
x = 169,013,417.65
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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.