Finding the Fourth Proportional to 70,906,917.53, 97,859,069.09 and 41,562,904.49
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Solution
The fourth proportional to 70,906,917.53, 97,859,069.09 and 41,562,904.49 is: 57,361,217.82
Step by Step Solution
- Step 1: Write the proportion equation
70,906,917.53 : 97,859,069.09 = 41,562,904.49 : x - Step 2: Convert to fraction form
70,906,917.53/97,859,069.09 = 41,562,904.49/x - Step 3: Cross multiply
70,906,917.53x = 97,859,069.09 × 41,562,904.49 - Step 4: Simplify right side
70,906,917.53x = 4,067,307,141,370,871 - Step 5: Solve for x
x = 4,067,307,141,370,871/70,906,917.53 - Step 6: Final answer
x = 57,361,217.82
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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.