Finding the Fourth Proportional to 103,036,818.49, 142,192,195.94 and 55,994,825.75
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Solution
The fourth proportional to 103,036,818.49, 142,192,195.94 and 55,994,825.75 is: 77,273,612.98
Step by Step Solution
- Step 1: Write the proportion equation
103,036,818.49 : 142,192,195.94 = 55,994,825.75 : x - Step 2: Convert to fraction form
103,036,818.49/142,192,195.94 = 55,994,825.75/x - Step 3: Cross multiply
103,036,818.49x = 142,192,195.94 × 55,994,825.75 - Step 4: Simplify right side
103,036,818.49x = 7,962,027,234,099,183 - Step 5: Solve for x
x = 7,962,027,234,099,183/103,036,818.49 - Step 6: Final answer
x = 77,273,612.98
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1.5x scale
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.