Finding the Fourth Proportional to 275,864,137.84, 413,327,945.76 and 166,459,433.68
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Solution
The fourth proportional to 275,864,137.84, 413,327,945.76 and 166,459,433.68 is: 249,406,596.72
Step by Step Solution
- Step 1: Write the proportion equation
275,864,137.84 : 413,327,945.76 = 166,459,433.68 : x - Step 2: Convert to fraction form
275,864,137.84/413,327,945.76 = 166,459,433.68/x - Step 3: Cross multiply
275,864,137.84x = 413,327,945.76 × 166,459,433.68 - Step 4: Simplify right side
275,864,137.84x = 68,802,335,775,327,360 - Step 5: Solve for x
x = 68,802,335,775,327,360/275,864,137.84 - Step 6: Final answer
x = 249,406,596.72
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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.