Finding the Fourth Proportional to 68,780,586.65, 94,917,206.36 and 37,840,091.63
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Solution
The fourth proportional to 68,780,586.65, 94,917,206.36 and 37,840,091.63 is: 52,219,324.68
Step by Step Solution
- Step 1: Write the proportion equation
68,780,586.65 : 94,917,206.36 = 37,840,091.63 : x - Step 2: Convert to fraction form
68,780,586.65/94,917,206.36 = 37,840,091.63/x - Step 3: Cross multiply
68,780,586.65x = 94,917,206.36 × 37,840,091.63 - Step 4: Simplify right side
68,780,586.65x = 3,591,675,785,546,033 - Step 5: Solve for x
x = 3,591,675,785,546,033/68,780,586.65 - Step 6: Final answer
x = 52,219,324.68
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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.