Finding the Fourth Proportional to 49,806,641.80, 68,707,026.66 and 40,524,590.98
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Solution
The fourth proportional to 49,806,641.80, 68,707,026.66 and 40,524,590.98 is: 55,902,667.84
Step by Step Solution
- Step 1: Write the proportion equation
49,806,641.80 : 68,707,026.66 = 40,524,590.98 : x - Step 2: Convert to fraction form
49,806,641.80/68,707,026.66 = 40,524,590.98/x - Step 3: Cross multiply
49,806,641.80x = 68,707,026.66 × 40,524,590.98 - Step 4: Simplify right side
49,806,641.80x = 2,784,324,152,848,455 - Step 5: Solve for x
x = 2,784,324,152,848,455/49,806,641.80 - Step 6: Final answer
x = 55,902,667.84
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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.