Finding the Fourth Proportional to 114,187,361.43, 157,578,731.60 and 61,976,415.99
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Solution
The fourth proportional to 114,187,361.43, 157,578,731.60 and 61,976,415.99 is: 85,527,547.87
Step by Step Solution
- Step 1: Write the proportion equation
114,187,361.43 : 157,578,731.60 = 61,976,415.99 : x - Step 2: Convert to fraction form
114,187,361.43/157,578,731.60 = 61,976,415.99/x - Step 3: Cross multiply
114,187,361.43x = 157,578,731.60 × 61,976,415.99 - Step 4: Simplify right side
114,187,361.43x = 9,766,165,020,508,276 - Step 5: Solve for x
x = 9,766,165,020,508,276/114,187,361.43 - Step 6: Final answer
x = 85,527,547.87
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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.