Finding the Fourth Proportional to 64,728,702.10, 89,346,896.19 and 51,522,104.08
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Solution
The fourth proportional to 64,728,702.10, 89,346,896.19 and 51,522,104.08 is: 71,117,447.68
Step by Step Solution
- Step 1: Write the proportion equation
64,728,702.10 : 89,346,896.19 = 51,522,104.08 : x - Step 2: Convert to fraction form
64,728,702.10/89,346,896.19 = 51,522,104.08/x - Step 3: Cross multiply
64,728,702.10x = 89,346,896.19 × 51,522,104.08 - Step 4: Simplify right side
64,728,702.10x = 4,603,340,084,726,135 - Step 5: Solve for x
x = 4,603,340,084,726,135/64,728,702.10 - Step 6: Final answer
x = 71,117,447.68
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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.