Finding the Fourth Proportional to 108,467,943.55, 162,703,239.68 and 31,792,523.02
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Solution
The fourth proportional to 108,467,943.55, 162,703,239.68 and 31,792,523.02 is: 47,689,172.71
Step by Step Solution
- Step 1: Write the proportion equation
108,467,943.55 : 162,703,239.68 = 31,792,523.02 : x - Step 2: Convert to fraction form
108,467,943.55/162,703,239.68 = 31,792,523.02/x - Step 3: Cross multiply
108,467,943.55x = 162,703,239.68 × 31,792,523.02 - Step 4: Simplify right side
108,467,943.55x = 5,172,746,492,954,978 - Step 5: Solve for x
x = 5,172,746,492,954,978/108,467,943.55 - Step 6: Final answer
x = 47,689,172.71
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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.