Finding the Fourth Proportional to 116,949,436,351.97, 161,391,169,768.84 and 64,807,037,977.26
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Solution
The fourth proportional to 116,949,436,351.97, 161,391,169,768.84 and 64,807,037,977.26 is: 89,434,237,518.90
Step by Step Solution
- Step 1: Write the proportion equation
116,949,436,351.97 : 161,391,169,768.84 = 64,807,037,977.26 : x - Step 2: Convert to fraction form
116,949,436,351.97/161,391,169,768.84 = 64,807,037,977.26/x - Step 3: Cross multiply
116,949,436,351.97x = 161,391,169,768.84 × 64,807,037,977.26 - Step 4: Simplify right side
116,949,436,351.97x = 10,459,283,668,403,629,326,336 - Step 5: Solve for x
x = 10,459,283,668,403,629,326,336/116,949,436,351.97 - Step 6: Final answer
x = 89,434,237,518.90
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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.