Finding the Fourth Proportional to 195,241,431.06, 269,432,435.75 and 107,136,903.15
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Solution
The fourth proportional to 195,241,431.06, 269,432,435.75 and 107,136,903.15 is: 147,848,520.76
Step by Step Solution
- Step 1: Write the proportion equation
195,241,431.06 : 269,432,435.75 = 107,136,903.15 : x - Step 2: Convert to fraction form
195,241,431.06/269,432,435.75 = 107,136,903.15/x - Step 3: Cross multiply
195,241,431.06x = 269,432,435.75 × 107,136,903.15 - Step 4: Simplify right side
195,241,431.06x = 28,866,156,773,880,664 - Step 5: Solve for x
x = 28,866,156,773,880,664/195,241,431.06 - Step 6: Final answer
x = 147,848,520.76
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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.