Finding the Fourth Proportional to 64,230,305.74, 88,639,143.42 and 36,353,013.91
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Solution
The fourth proportional to 64,230,305.74, 88,639,143.42 and 36,353,013.91 is: 50,167,907.14
Step by Step Solution
- Step 1: Write the proportion equation
64,230,305.74 : 88,639,143.42 = 36,353,013.91 : x - Step 2: Convert to fraction form
64,230,305.74/88,639,143.42 = 36,353,013.91/x - Step 3: Cross multiply
64,230,305.74x = 88,639,143.42 × 36,353,013.91 - Step 4: Simplify right side
64,230,305.74x = 3,222,300,013,717,744.50 - Step 5: Solve for x
x = 3,222,300,013,717,744.50/64,230,305.74 - Step 6: Final answer
x = 50,167,907.14
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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.