Finding the Fourth Proportional to 92,466,735.31, 127,555,715.67 and 57,173,258.17
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Solution
The fourth proportional to 92,466,735.31, 127,555,715.67 and 57,173,258.17 is: 78,869,182.94
Step by Step Solution
- Step 1: Write the proportion equation
92,466,735.31 : 127,555,715.67 = 57,173,258.17 : x - Step 2: Convert to fraction form
92,466,735.31/127,555,715.67 = 57,173,258.17/x - Step 3: Cross multiply
92,466,735.31x = 127,555,715.67 × 57,173,258.17 - Step 4: Simplify right side
92,466,735.31x = 7,292,775,863,060,025 - Step 5: Solve for x
x = 7,292,775,863,060,025/92,466,735.31 - Step 6: Final answer
x = 78,869,182.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.