Finding the Fourth Proportional to 66,296,277.44, 91,490,928.14 and 38,043,824.12
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Solution
The fourth proportional to 66,296,277.44, 91,490,928.14 and 38,043,824.12 is: 52,501,662.43
Step by Step Solution
- Step 1: Write the proportion equation
66,296,277.44 : 91,490,928.14 = 38,043,824.12 : x - Step 2: Convert to fraction form
66,296,277.44/91,490,928.14 = 38,043,824.12/x - Step 3: Cross multiply
66,296,277.44x = 91,490,928.14 × 38,043,824.12 - Step 4: Simplify right side
66,296,277.44x = 3,480,664,778,371,374 - Step 5: Solve for x
x = 3,480,664,778,371,374/66,296,277.44 - Step 6: Final answer
x = 52,501,662.43
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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.