Finding the Fourth Proportional to 66,349,342.17, 91,562,517.26 and 36,982,536.87
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Solution
The fourth proportional to 66,349,342.17, 91,562,517.26 and 36,982,536.87 is: 51,036,137.81
Step by Step Solution
- Step 1: Write the proportion equation
66,349,342.17 : 91,562,517.26 = 36,982,536.87 : x - Step 2: Convert to fraction form
66,349,342.17/91,562,517.26 = 36,982,536.87/x - Step 3: Cross multiply
66,349,342.17x = 91,562,517.26 × 36,982,536.87 - Step 4: Simplify right side
66,349,342.17x = 3,386,214,170,477,961.50 - Step 5: Solve for x
x = 3,386,214,170,477,961.50/66,349,342.17 - Step 6: Final answer
x = 51,036,137.81
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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.