Finding the Fourth Proportional to 66,574,728.40, 99,858,106.76 and 27,703,363
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Solution
The fourth proportional to 66,574,728.40, 99,858,106.76 and 27,703,363 is: 41,553,385.90
Step by Step Solution
- Step 1: Write the proportion equation
66,574,728.40 : 99,858,106.76 = 27,703,363 : x - Step 2: Convert to fraction form
66,574,728.40/99,858,106.76 = 27,703,363/x - Step 3: Cross multiply
66,574,728.40x = 99,858,106.76 × 27,703,363 - Step 4: Simplify right side
66,574,728.40x = 2,766,405,380,065,034 - Step 5: Solve for x
x = 2,766,405,380,065,034/66,574,728.40 - Step 6: Final answer
x = 41,553,385.90
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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.