Finding the Fourth Proportional to 90,410,352.84, 124,765,410.06 and 49,157,245.26
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Solution
The fourth proportional to 90,410,352.84, 124,765,410.06 and 49,157,245.26 is: 67,836,521.70
Step by Step Solution
- Step 1: Write the proportion equation
90,410,352.84 : 124,765,410.06 = 49,157,245.26 : x - Step 2: Convert to fraction form
90,410,352.84/124,765,410.06 = 49,157,245.26/x - Step 3: Cross multiply
90,410,352.84x = 124,765,410.06 × 49,157,245.26 - Step 4: Simplify right side
90,410,352.84x = 6,133,123,862,283,891 - Step 5: Solve for x
x = 6,133,123,862,283,891/90,410,352.84 - Step 6: Final answer
x = 67,836,521.70
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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.