Finding the Fourth Proportional to 237,130,328.75, 327,239,853.68 and 128,602,712.75
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Solution
The fourth proportional to 237,130,328.75, 327,239,853.68 and 128,602,712.75 is: 177,471,743.60
Step by Step Solution
- Step 1: Write the proportion equation
237,130,328.75 : 327,239,853.68 = 128,602,712.75 : x - Step 2: Convert to fraction form
237,130,328.75/327,239,853.68 = 128,602,712.75/x - Step 3: Cross multiply
237,130,328.75x = 327,239,853.68 × 128,602,712.75 - Step 4: Simplify right side
237,130,328.75x = 42,083,932,902,518,056 - Step 5: Solve for x
x = 42,083,932,902,518,056/237,130,328.75 - Step 6: Final answer
x = 177,471,743.60
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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.