Finding the Fourth Proportional to 66,616,204.02, 91,955,729.97 and 43,416,974.58
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Solution
The fourth proportional to 66,616,204.02, 91,955,729.97 and 43,416,974.58 is: 59,931,958.74
Step by Step Solution
- Step 1: Write the proportion equation
66,616,204.02 : 91,955,729.97 = 43,416,974.58 : x - Step 2: Convert to fraction form
66,616,204.02/91,955,729.97 = 43,416,974.58/x - Step 3: Cross multiply
66,616,204.02x = 91,955,729.97 × 43,416,974.58 - Step 4: Simplify right side
66,616,204.02x = 3,992,439,590,592,834 - Step 5: Solve for x
x = 3,992,439,590,592,834/66,616,204.02 - Step 6: Final answer
x = 59,931,958.74
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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.