Finding the Fourth Proportional to 96,936,848.62, 133,772,216.24 and 55,120,917.02
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Solution
The fourth proportional to 96,936,848.62, 133,772,216.24 and 55,120,917.02 is: 76,066,504.49
Step by Step Solution
- Step 1: Write the proportion equation
96,936,848.62 : 133,772,216.24 = 55,120,917.02 : x - Step 2: Convert to fraction form
96,936,848.62/133,772,216.24 = 55,120,917.02/x - Step 3: Cross multiply
96,936,848.62x = 133,772,216.24 × 55,120,917.02 - Step 4: Simplify right side
96,936,848.62x = 7,373,647,230,415,478 - Step 5: Solve for x
x = 7,373,647,230,415,478/96,936,848.62 - Step 6: Final answer
x = 76,066,504.49
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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.