Finding the Fourth Proportional to 267,616,543.84, 368,622,720.69 and 189,165,223.42
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Solution
The fourth proportional to 267,616,543.84, 368,622,720.69 and 189,165,223.42 is: 260,561,616.69
Step by Step Solution
- Step 1: Write the proportion equation
267,616,543.84 : 368,622,720.69 = 189,165,223.42 : x - Step 2: Convert to fraction form
267,616,543.84/368,622,720.69 = 189,165,223.42/x - Step 3: Cross multiply
267,616,543.84x = 368,622,720.69 × 189,165,223.42 - Step 4: Simplify right side
267,616,543.84x = 69,730,599,317,012,104 - Step 5: Solve for x
x = 69,730,599,317,012,104/267,616,543.84 - Step 6: Final answer
x = 260,561,616.69
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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.