Finding the Fourth Proportional to 93,043,872.54, 128,398,434.42 and 58,255,759.26
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Solution
The fourth proportional to 93,043,872.54, 128,398,434.42 and 58,255,759.26 is: 80,391,626.88
Step by Step Solution
- Step 1: Write the proportion equation
93,043,872.54 : 128,398,434.42 = 58,255,759.26 : x - Step 2: Convert to fraction form
93,043,872.54/128,398,434.42 = 58,255,759.26/x - Step 3: Cross multiply
93,043,872.54x = 128,398,434.42 × 58,255,759.26 - Step 4: Simplify right side
93,043,872.54x = 7,479,948,284,932,418 - Step 5: Solve for x
x = 7,479,948,284,932,418/93,043,872.54 - Step 6: Final answer
x = 80,391,626.88
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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.