Finding the Fourth Proportional to 107,922,616.70, 161,883,925.05 and 73,485,239.90
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Solution
The fourth proportional to 107,922,616.70, 161,883,925.05 and 73,485,239.90 is: 110,227,859.85
Step by Step Solution
- Step 1: Write the proportion equation
107,922,616.70 : 161,883,925.05 = 73,485,239.90 : x - Step 2: Convert to fraction form
107,922,616.70/161,883,925.05 = 73,485,239.90/x - Step 3: Cross multiply
107,922,616.70x = 161,883,925.05 × 73,485,239.90 - Step 4: Simplify right side
107,922,616.70x = 11,896,079,068,252,872 - Step 5: Solve for x
x = 11,896,079,068,252,872/107,922,616.70 - Step 6: Final answer
x = 110,227,859.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.