Finding the Fourth Proportional to 45,142,431.26, 67,598,695.98 and 29,743,034.28
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Solution
The fourth proportional to 45,142,431.26, 67,598,695.98 and 29,743,034.28 is: 44,538,813.61
Step by Step Solution
- Step 1: Write the proportion equation
45,142,431.26 : 67,598,695.98 = 29,743,034.28 : x - Step 2: Convert to fraction form
45,142,431.26/67,598,695.98 = 29,743,034.28/x - Step 3: Cross multiply
45,142,431.26x = 67,598,695.98 × 29,743,034.28 - Step 4: Simplify right side
45,142,431.26x = 2,010,590,331,816,438.50 - Step 5: Solve for x
x = 2,010,590,331,816,438.50/45,142,431.26 - Step 6: Final answer
x = 44,538,813.61
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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.