Finding the Fourth Proportional to 91,836,418.68, 126,734,250.69 and 50,583,311.06
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Solution
The fourth proportional to 91,836,418.68, 126,734,250.69 and 50,583,311.06 is: 69,804,965.35
Step by Step Solution
- Step 1: Write the proportion equation
91,836,418.68 : 126,734,250.69 = 50,583,311.06 : x - Step 2: Convert to fraction form
91,836,418.68/126,734,250.69 = 50,583,311.06/x - Step 3: Cross multiply
91,836,418.68x = 126,734,250.69 × 50,583,311.06 - Step 4: Simplify right side
91,836,418.68x = 6,410,638,023,974,618 - Step 5: Solve for x
x = 6,410,638,023,974,618/91,836,418.68 - Step 6: Final answer
x = 69,804,965.35
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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.