Finding the Fourth Proportional to 71,072,612.87, 98,071,193.07 and 41,693,225.99
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Solution
The fourth proportional to 71,072,612.87, 98,071,193.07 and 41,693,225.99 is: 57,531,364.76
Step by Step Solution
- Step 1: Write the proportion equation
71,072,612.87 : 98,071,193.07 = 41,693,225.99 : x - Step 2: Convert to fraction form
71,072,612.87/98,071,193.07 = 41,693,225.99/x - Step 3: Cross multiply
71,072,612.87x = 98,071,193.07 × 41,693,225.99 - Step 4: Simplify right side
71,072,612.87x = 4,088,904,415,286,075.50 - Step 5: Solve for x
x = 4,088,904,415,286,075.50/71,072,612.87 - Step 6: Final answer
x = 57,531,364.76
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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.