Finding the Fourth Proportional to 311,440,208.36, 467,206,758.08 and 114,688,490.21
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Solution
The fourth proportional to 311,440,208.36, 467,206,758.08 and 114,688,490.21 is: 172,049,838.98
Step by Step Solution
- Step 1: Write the proportion equation
311,440,208.36 : 467,206,758.08 = 114,688,490.21 : x - Step 2: Convert to fraction form
311,440,208.36/467,206,758.08 = 114,688,490.21/x - Step 3: Cross multiply
311,440,208.36x = 467,206,758.08 × 114,688,490.21 - Step 4: Simplify right side
311,440,208.36x = 53,583,237,700,103,912 - Step 5: Solve for x
x = 53,583,237,700,103,912/311,440,208.36 - Step 6: Final answer
x = 172,049,838.98
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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.