Finding the Fourth Proportional to 57,770,685.11, 79,731,720.50 and 35,751,276.09
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Solution
The fourth proportional to 57,770,685.11, 79,731,720.50 and 35,751,276.09 is: 49,341,820.11
Step by Step Solution
- Step 1: Write the proportion equation
57,770,685.11 : 79,731,720.50 = 35,751,276.09 : x - Step 2: Convert to fraction form
57,770,685.11/79,731,720.50 = 35,751,276.09/x - Step 3: Cross multiply
57,770,685.11x = 79,731,720.50 × 35,751,276.09 - Step 4: Simplify right side
57,770,685.11x = 2,850,510,752,547,457 - Step 5: Solve for x
x = 2,850,510,752,547,457/57,770,685.11 - Step 6: Final answer
x = 49,341,820.11
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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.