Finding the Fourth Proportional to 78,782,263.44, 108,737,663.68 and 46,197,713.04
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Solution
The fourth proportional to 78,782,263.44, 108,737,663.68 and 46,197,713.04 is: 63,763,481.32
Step by Step Solution
- Step 1: Write the proportion equation
78,782,263.44 : 108,737,663.68 = 46,197,713.04 : x - Step 2: Convert to fraction form
78,782,263.44/108,737,663.68 = 46,197,713.04/x - Step 3: Cross multiply
78,782,263.44x = 108,737,663.68 × 46,197,713.04 - Step 4: Simplify right side
78,782,263.44x = 5,023,431,383,328,671 - Step 5: Solve for x
x = 5,023,431,383,328,671/78,782,263.44 - Step 6: Final answer
x = 63,763,481.32
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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.