Finding the Fourth Proportional to 103,673,900.99, 155,519,781.74 and 26,997,068.63
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Solution
The fourth proportional to 103,673,900.99, 155,519,781.74 and 26,997,068.63 is: 40,497,928.42
Step by Step Solution
- Step 1: Write the proportion equation
103,673,900.99 : 155,519,781.74 = 26,997,068.63 : x - Step 2: Convert to fraction form
103,673,900.99/155,519,781.74 = 26,997,068.63/x - Step 3: Cross multiply
103,673,900.99x = 155,519,781.74 × 26,997,068.63 - Step 4: Simplify right side
103,673,900.99x = 4,198,578,220,957,401 - Step 5: Solve for x
x = 4,198,578,220,957,401/103,673,900.99 - Step 6: Final answer
x = 40,497,928.42
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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.