Finding the Fourth Proportional to 267,616,542.09, 368,622,718.28 and 189,165,221.67
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Solution
The fourth proportional to 267,616,542.09, 368,622,718.28 and 189,165,221.67 is: 260,561,614.28
Step by Step Solution
- Step 1: Write the proportion equation
267,616,542.09 : 368,622,718.28 = 189,165,221.67 : x - Step 2: Convert to fraction form
267,616,542.09/368,622,718.28 = 189,165,221.67/x - Step 3: Cross multiply
267,616,542.09x = 368,622,718.28 × 189,165,221.67 - Step 4: Simplify right side
267,616,542.09x = 69,730,598,215,088,328 - Step 5: Solve for x
x = 69,730,598,215,088,328/267,616,542.09 - Step 6: Final answer
x = 260,561,614.28
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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.