Finding the Fourth Proportional to 66,266,751.82, 99,366,865.35 and 38,609,621.50
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Solution
The fourth proportional to 66,266,751.82, 99,366,865.35 and 38,609,621.50 is: 57,895,052.28
Step by Step Solution
- Step 1: Write the proportion equation
66,266,751.82 : 99,366,865.35 = 38,609,621.50 : x - Step 2: Convert to fraction form
66,266,751.82/99,366,865.35 = 38,609,621.50/x - Step 3: Cross multiply
66,266,751.82x = 99,366,865.35 × 38,609,621.50 - Step 4: Simplify right side
66,266,751.82x = 3,836,517,060,804,965 - Step 5: Solve for x
x = 3,836,517,060,804,965/66,266,751.82 - Step 6: Final answer
x = 57,895,052.28
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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.