Finding the Fourth Proportional to 49,497,661.20, 74,317,350.60 and 27,974,300.70
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Solution
The fourth proportional to 49,497,661.20, 74,317,350.60 and 27,974,300.70 is: 42,001,497.90
Step by Step Solution
- Step 1: Write the proportion equation
49,497,661.20 : 74,317,350.60 = 27,974,300.70 : x - Step 2: Convert to fraction form
49,497,661.20/74,317,350.60 = 27,974,300.70/x - Step 3: Cross multiply
49,497,661.20x = 74,317,350.60 × 27,974,300.70 - Step 4: Simplify right side
49,497,661.20x = 2,078,975,912,911,725.25 - Step 5: Solve for x
x = 2,078,975,912,911,725.25/49,497,661.20 - Step 6: Final answer
x = 42,001,497.90
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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.