Finding the Fourth Proportional to 275,617,486.17, 413,486,765.43 and 81,513,768.96
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Solution
The fourth proportional to 275,617,486.17, 413,486,765.43 and 81,513,768.96 is: 122,288,556.99
Step by Step Solution
- Step 1: Write the proportion equation
275,617,486.17 : 413,486,765.43 = 81,513,768.96 : x - Step 2: Convert to fraction form
275,617,486.17/413,486,765.43 = 81,513,768.96/x - Step 3: Cross multiply
275,617,486.17x = 413,486,765.43 × 81,513,768.96 - Step 4: Simplify right side
275,617,486.17x = 33,704,864,665,278,732 - Step 5: Solve for x
x = 33,704,864,665,278,732/275,617,486.17 - Step 6: Final answer
x = 122,288,556.99
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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.