Finding the Fourth Proportional to 135,621,810.50, 203,432,919.87 and 62,798,909.54
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Solution
The fourth proportional to 135,621,810.50, 203,432,919.87 and 62,798,909.54 is: 94,198,458.83
Step by Step Solution
- Step 1: Write the proportion equation
135,621,810.50 : 203,432,919.87 = 62,798,909.54 : x - Step 2: Convert to fraction form
135,621,810.50/203,432,919.87 = 62,798,909.54/x - Step 3: Cross multiply
135,621,810.50x = 203,432,919.87 × 62,798,909.54 - Step 4: Simplify right side
135,621,810.50x = 12,775,365,532,374,198 - Step 5: Solve for x
x = 12,775,365,532,374,198/135,621,810.50 - Step 6: Final answer
x = 94,198,458.83
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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.