Finding the Fourth Proportional to 117,199,599.93, 161,738,417.58 and 64,278,414.66
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Solution
The fourth proportional to 117,199,599.93, 161,738,417.58 and 64,278,414.66 is: 88,705,840.96
Step by Step Solution
- Step 1: Write the proportion equation
117,199,599.93 : 161,738,417.58 = 64,278,414.66 : x - Step 2: Convert to fraction form
117,199,599.93/161,738,417.58 = 64,278,414.66/x - Step 3: Cross multiply
117,199,599.93x = 161,738,417.58 × 64,278,414.66 - Step 4: Simplify right side
117,199,599.93x = 10,396,289,071,659,474 - Step 5: Solve for x
x = 10,396,289,071,659,474/117,199,599.93 - Step 6: Final answer
x = 88,705,840.96
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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.