Finding the Fourth Proportional to 75,741,747.84, 104,524,091.28 and 40,934,356.56
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Solution
The fourth proportional to 75,741,747.84, 104,524,091.28 and 40,934,356.56 is: 56,489,671.07
Step by Step Solution
- Step 1: Write the proportion equation
75,741,747.84 : 104,524,091.28 = 40,934,356.56 : x - Step 2: Convert to fraction form
75,741,747.84/104,524,091.28 = 40,934,356.56/x - Step 3: Cross multiply
75,741,747.84x = 104,524,091.28 × 40,934,356.56 - Step 4: Simplify right side
75,741,747.84x = 4,278,626,421,565,507 - Step 5: Solve for x
x = 4,278,626,421,565,507/75,741,747.84 - Step 6: Final answer
x = 56,489,671.07
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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.