Finding the Fourth Proportional to 313,340,375.18, 432,229,621.32 and 195,661,423.82
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Solution
The fourth proportional to 313,340,375.18, 432,229,621.32 and 195,661,423.82 is: 269,900,305.94
Step by Step Solution
- Step 1: Write the proportion equation
313,340,375.18 : 432,229,621.32 = 195,661,423.82 : x - Step 2: Convert to fraction form
313,340,375.18/432,229,621.32 = 195,661,423.82/x - Step 3: Cross multiply
313,340,375.18x = 432,229,621.32 × 195,661,423.82 - Step 4: Simplify right side
313,340,375.18x = 84,570,663,125,731,200 - Step 5: Solve for x
x = 84,570,663,125,731,200/313,340,375.18 - Step 6: Final answer
x = 269,900,305.94
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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.