Finding the Fourth Proportional to 54,438,121.70, 81,657,182.55 and 49,399,273.70
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Solution
The fourth proportional to 54,438,121.70, 81,657,182.55 and 49,399,273.70 is: 74,098,910.55
Step by Step Solution
- Step 1: Write the proportion equation
54,438,121.70 : 81,657,182.55 = 49,399,273.70 : x - Step 2: Convert to fraction form
54,438,121.70/81,657,182.55 = 49,399,273.70/x - Step 3: Cross multiply
54,438,121.70x = 81,657,182.55 × 49,399,273.70 - Step 4: Simplify right side
54,438,121.70x = 4,033,805,510,358,314 - Step 5: Solve for x
x = 4,033,805,510,358,314/54,438,121.70 - Step 6: Final answer
x = 74,098,910.55
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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.