Finding the Fourth Proportional to 330,136,124.10, 495,204,186.15 and 135,983,012.10
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Solution
The fourth proportional to 330,136,124.10, 495,204,186.15 and 135,983,012.10 is: 203,974,518.15
Step by Step Solution
- Step 1: Write the proportion equation
330,136,124.10 : 495,204,186.15 = 135,983,012.10 : x - Step 2: Convert to fraction form
330,136,124.10/495,204,186.15 = 135,983,012.10/x - Step 3: Cross multiply
330,136,124.10x = 495,204,186.15 × 135,983,012.10 - Step 4: Simplify right side
330,136,124.10x = 67,339,356,837,206,096 - Step 5: Solve for x
x = 67,339,356,837,206,096/330,136,124.10 - Step 6: Final answer
x = 203,974,518.15
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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.