Finding the Fourth Proportional to 66,349,341.92, 91,562,516.92 and 36,982,536.62
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Solution
The fourth proportional to 66,349,341.92, 91,562,516.92 and 36,982,536.62 is: 51,036,137.46
Step by Step Solution
- Step 1: Write the proportion equation
66,349,341.92 : 91,562,516.92 = 36,982,536.62 : x - Step 2: Convert to fraction form
66,349,341.92/91,562,516.92 = 36,982,536.62/x - Step 3: Cross multiply
66,349,341.92x = 91,562,516.92 × 36,982,536.62 - Step 4: Simplify right side
66,349,341.92x = 3,386,214,134,463,001 - Step 5: Solve for x
x = 3,386,214,134,463,001/66,349,341.92 - Step 6: Final answer
x = 51,036,137.46
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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.