Finding the Fourth Proportional to 75,590,604.87, 104,259,341.86 and 57,006,528.19
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Solution
The fourth proportional to 75,590,604.87, 104,259,341.86 and 57,006,528.19 is: 78,627,008.22
Step by Step Solution
- Step 1: Write the proportion equation
75,590,604.87 : 104,259,341.86 = 57,006,528.19 : x - Step 2: Convert to fraction form
75,590,604.87/104,259,341.86 = 57,006,528.19/x - Step 3: Cross multiply
75,590,604.87x = 104,259,341.86 × 57,006,528.19 - Step 4: Simplify right side
75,590,604.87x = 5,943,463,110,812,937 - Step 5: Solve for x
x = 5,943,463,110,812,937/75,590,604.87 - Step 6: Final answer
x = 78,627,008.22
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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.