Finding the Fourth Proportional to 103,512,363.20, 155,136,668.70 and 55,013,451.20
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Solution
The fourth proportional to 103,512,363.20, 155,136,668.70 and 55,013,451.20 is: 82,450,088.95
Step by Step Solution
- Step 1: Write the proportion equation
103,512,363.20 : 155,136,668.70 = 55,013,451.20 : x - Step 2: Convert to fraction form
103,512,363.20/155,136,668.70 = 55,013,451.20/x - Step 3: Cross multiply
103,512,363.20x = 155,136,668.70 × 55,013,451.20 - Step 4: Simplify right side
103,512,363.20x = 8,534,603,552,858,017 - Step 5: Solve for x
x = 8,534,603,552,858,017/103,512,363.20 - Step 6: Final answer
x = 82,450,088.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.