Finding the Fourth Proportional to 292,232,008.92, 438,368,467.29 and 117,355,016.49
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Solution
The fourth proportional to 292,232,008.92, 438,368,467.29 and 117,355,016.49 is: 176,040,738.65
Step by Step Solution
- Step 1: Write the proportion equation
292,232,008.92 : 438,368,467.29 = 117,355,016.49 : x - Step 2: Convert to fraction form
292,232,008.92/438,368,467.29 = 117,355,016.49/x - Step 3: Cross multiply
292,232,008.92x = 438,368,467.29 × 117,355,016.49 - Step 4: Simplify right side
292,232,008.92x = 51,444,738,707,513,976 - Step 5: Solve for x
x = 51,444,738,707,513,976/292,232,008.92 - Step 6: Final answer
x = 176,040,738.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.