Finding the Fourth Proportional to 203,167,767.41, 280,369,977.23 and 110,348,939.55
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Solution
The fourth proportional to 203,167,767.41, 280,369,977.23 and 110,348,939.55 is: 152,280,699.17
Step by Step Solution
- Step 1: Write the proportion equation
203,167,767.41 : 280,369,977.23 = 110,348,939.55 : x - Step 2: Convert to fraction form
203,167,767.41/280,369,977.23 = 110,348,939.55/x - Step 3: Cross multiply
203,167,767.41x = 280,369,977.23 × 110,348,939.55 - Step 4: Simplify right side
203,167,767.41x = 30,938,529,668,436,404 - Step 5: Solve for x
x = 30,938,529,668,436,404/203,167,767.41 - Step 6: Final answer
x = 152,280,699.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.