Finding the Fourth Proportional to 50,995,518.96, 70,353,839.88 and 31,382,356.68
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Solution
The fourth proportional to 50,995,518.96, 70,353,839.88 and 31,382,356.68 is: 43,295,358.92
Step by Step Solution
- Step 1: Write the proportion equation
50,995,518.96 : 70,353,839.88 = 31,382,356.68 : x - Step 2: Convert to fraction form
50,995,518.96/70,353,839.88 = 31,382,356.68/x - Step 3: Cross multiply
50,995,518.96x = 70,353,839.88 × 31,382,356.68 - Step 4: Simplify right side
50,995,518.96x = 2,207,869,296,921,768.25 - Step 5: Solve for x
x = 2,207,869,296,921,768.25/50,995,518.96 - Step 6: Final answer
x = 43,295,358.92
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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.