Finding the Fourth Proportional to 91,759,474.58, 126,638,857.61 and 51,532,081.56
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Solution
The fourth proportional to 91,759,474.58, 126,638,857.61 and 51,532,081.56 is: 71,120,328.11
Step by Step Solution
- Step 1: Write the proportion equation
91,759,474.58 : 126,638,857.61 = 51,532,081.56 : x - Step 2: Convert to fraction form
91,759,474.58/126,638,857.61 = 51,532,081.56/x - Step 3: Cross multiply
91,759,474.58x = 126,638,857.61 × 51,532,081.56 - Step 4: Simplify right side
91,759,474.58x = 6,525,963,938,766,087 - Step 5: Solve for x
x = 6,525,963,938,766,087/91,759,474.58 - Step 6: Final answer
x = 71,120,328.11
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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.