Finding the Fourth Proportional to 81,915,566.07, 113,043,866.13 and 44,746,361.13
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Solution
The fourth proportional to 81,915,566.07, 113,043,866.13 and 44,746,361.13 is: 61,750,188.64
Step by Step Solution
- Step 1: Write the proportion equation
81,915,566.07 : 113,043,866.13 = 44,746,361.13 : x - Step 2: Convert to fraction form
81,915,566.07/113,043,866.13 = 44,746,361.13/x - Step 3: Cross multiply
81,915,566.07x = 113,043,866.13 × 44,746,361.13 - Step 4: Simplify right side
81,915,566.07x = 5,058,301,657,384,356 - Step 5: Solve for x
x = 5,058,301,657,384,356/81,915,566.07 - Step 6: Final answer
x = 61,750,188.64
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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.