Finding the Fourth Proportional to 176,373,353.87, 243,408,843.62 and 105,811,606.79
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Solution
The fourth proportional to 176,373,353.87, 243,408,843.62 and 105,811,606.79 is: 146,028,185.58
Step by Step Solution
- Step 1: Write the proportion equation
176,373,353.87 : 243,408,843.62 = 105,811,606.79 : x - Step 2: Convert to fraction form
176,373,353.87/243,408,843.62 = 105,811,606.79/x - Step 3: Cross multiply
176,373,353.87x = 243,408,843.62 × 105,811,606.79 - Step 4: Simplify right side
176,373,353.87x = 25,755,480,850,328,044 - Step 5: Solve for x
x = 25,755,480,850,328,044/176,373,353.87 - Step 6: Final answer
x = 146,028,185.58
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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.