Finding the Fourth Proportional to 264,459,767.10, 396,745,637.85 and 80,212,112.70
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Solution
The fourth proportional to 264,459,767.10, 396,745,637.85 and 80,212,112.70 is: 120,335,150.28
Step by Step Solution
- Step 1: Write the proportion equation
264,459,767.10 : 396,745,637.85 = 80,212,112.70 : x - Step 2: Convert to fraction form
264,459,767.10/396,745,637.85 = 80,212,112.70/x - Step 3: Cross multiply
264,459,767.10x = 396,745,637.85 × 80,212,112.70 - Step 4: Simplify right side
264,459,767.10x = 31,823,805,816,457,588 - Step 5: Solve for x
x = 31,823,805,816,457,588/264,459,767.10 - Step 6: Final answer
x = 120,335,150.28
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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.