Finding the Fourth Proportional to 157,733,900.39, 236,608,157.79 and 48,563,961.36
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Solution
The fourth proportional to 157,733,900.39, 236,608,157.79 and 48,563,961.36 is: 72,848,191.82
Step by Step Solution
- Step 1: Write the proportion equation
157,733,900.39 : 236,608,157.79 = 48,563,961.36 : x - Step 2: Convert to fraction form
157,733,900.39/236,608,157.79 = 48,563,961.36/x - Step 3: Cross multiply
157,733,900.39x = 236,608,157.79 × 48,563,961.36 - Step 4: Simplify right side
157,733,900.39x = 11,490,629,432,374,342 - Step 5: Solve for x
x = 11,490,629,432,374,342/157,733,900.39 - Step 6: Final answer
x = 72,848,191.82
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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.