Finding the Fourth Proportional to 77,729,195.57, 116,610,235.16 and 29,207,469.75
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Solution
The fourth proportional to 77,729,195.57, 116,610,235.16 and 29,207,469.75 is: 43,817,382.78
Step by Step Solution
- Step 1: Write the proportion equation
77,729,195.57 : 116,610,235.16 = 29,207,469.75 : x - Step 2: Convert to fraction form
77,729,195.57/116,610,235.16 = 29,207,469.75/x - Step 3: Cross multiply
77,729,195.57x = 116,610,235.16 × 29,207,469.75 - Step 4: Simplify right side
77,729,195.57x = 3,405,889,915,474,833.50 - Step 5: Solve for x
x = 3,405,889,915,474,833.50/77,729,195.57 - Step 6: Final answer
x = 43,817,382.78
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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.