Finding the Fourth Proportional to 63,161,382.12, 87,157,842.66 and 35,662,024.68
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Solution
The fourth proportional to 63,161,382.12, 87,157,842.66 and 35,662,024.68 is: 49,210,847.38
Step by Step Solution
- Step 1: Write the proportion equation
63,161,382.12 : 87,157,842.66 = 35,662,024.68 : x - Step 2: Convert to fraction form
63,161,382.12/87,157,842.66 = 35,662,024.68/x - Step 3: Cross multiply
63,161,382.12x = 87,157,842.66 × 35,662,024.68 - Step 4: Simplify right side
63,161,382.12x = 3,108,225,135,996,476.50 - Step 5: Solve for x
x = 3,108,225,135,996,476.50/63,161,382.12 - Step 6: Final answer
x = 49,210,847.38
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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.