Finding the Fourth Proportional to 66,197,865.06, 91,315,013.09 and 41,374,972.19
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Solution
The fourth proportional to 66,197,865.06, 91,315,013.09 and 41,374,972.19 is: 57,073,685.44
Step by Step Solution
- Step 1: Write the proportion equation
66,197,865.06 : 91,315,013.09 = 41,374,972.19 : x - Step 2: Convert to fraction form
66,197,865.06/91,315,013.09 = 41,374,972.19/x - Step 3: Cross multiply
66,197,865.06x = 91,315,013.09 × 41,374,972.19 - Step 4: Simplify right side
66,197,865.06x = 3,778,156,127,382,383 - Step 5: Solve for x
x = 3,778,156,127,382,383/66,197,865.06 - Step 6: Final answer
x = 57,073,685.44
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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.