Finding the Fourth Proportional to 66,061,090.84, 91,197,440.68 and 41,295,054.56
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Solution
The fourth proportional to 66,061,090.84, 91,197,440.68 and 41,295,054.56 is: 57,007,888.32
Step by Step Solution
- Step 1: Write the proportion equation
66,061,090.84 : 91,197,440.68 = 41,295,054.56 : x - Step 2: Convert to fraction form
66,061,090.84/91,197,440.68 = 41,295,054.56/x - Step 3: Cross multiply
66,061,090.84x = 91,197,440.68 × 41,295,054.56 - Step 4: Simplify right side
66,061,090.84x = 3,766,003,288,612,964 - Step 5: Solve for x
x = 3,766,003,288,612,964/66,061,090.84 - Step 6: Final answer
x = 57,007,888.32
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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.