Finding the Fourth Proportional to 134,136,438.30, 201,204,657.45 and 129,034,604.70
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Solution
The fourth proportional to 134,136,438.30, 201,204,657.45 and 129,034,604.70 is: 193,551,907.05
Step by Step Solution
- Step 1: Write the proportion equation
134,136,438.30 : 201,204,657.45 = 129,034,604.70 : x - Step 2: Convert to fraction form
134,136,438.30/201,204,657.45 = 129,034,604.70/x - Step 3: Cross multiply
134,136,438.30x = 201,204,657.45 × 129,034,604.70 - Step 4: Simplify right side
134,136,438.30x = 25,962,363,437,859,660 - Step 5: Solve for x
x = 25,962,363,437,859,660/134,136,438.30 - Step 6: Final answer
x = 193,551,907.05
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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.