Finding the Fourth Proportional to 202,990,729.92, 280,127,484.48 and 110,171,239.04
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Solution
The fourth proportional to 202,990,729.92, 280,127,484.48 and 110,171,239.04 is: 152,036,460.32
Step by Step Solution
- Step 1: Write the proportion equation
202,990,729.92 : 280,127,484.48 = 110,171,239.04 : x - Step 2: Convert to fraction form
202,990,729.92/280,127,484.48 = 110,171,239.04/x - Step 3: Cross multiply
202,990,729.92x = 280,127,484.48 × 110,171,239.04 - Step 4: Simplify right side
202,990,729.92x = 30,861,992,054,319,976 - Step 5: Solve for x
x = 30,861,992,054,319,976/202,990,729.92 - Step 6: Final answer
x = 152,036,460.32
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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.