Finding the Fourth Proportional to 66,266,752.07, 99,366,865.73 and 38,609,621.75
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Solution
The fourth proportional to 66,266,752.07, 99,366,865.73 and 38,609,621.75 is: 57,895,052.65
Step by Step Solution
- Step 1: Write the proportion equation
66,266,752.07 : 99,366,865.73 = 38,609,621.75 : x - Step 2: Convert to fraction form
66,266,752.07/99,366,865.73 = 38,609,621.75/x - Step 3: Cross multiply
66,266,752.07x = 99,366,865.73 × 38,609,621.75 - Step 4: Simplify right side
66,266,752.07x = 3,836,517,100,125,289.50 - Step 5: Solve for x
x = 3,836,517,100,125,289.50/66,266,752.07 - Step 6: Final answer
x = 57,895,052.65
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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.