Finding the Fourth Proportional to 267,087,943.62, 368,577,320.69 and 149,617,477.76
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Solution
The fourth proportional to 267,087,943.62, 368,577,320.69 and 149,617,477.76 is: 206,469,855.33
Step by Step Solution
- Step 1: Write the proportion equation
267,087,943.62 : 368,577,320.69 = 149,617,477.76 : x - Step 2: Convert to fraction form
267,087,943.62/368,577,320.69 = 149,617,477.76/x - Step 3: Cross multiply
267,087,943.62x = 368,577,320.69 × 149,617,477.76 - Step 4: Simplify right side
267,087,943.62x = 55,145,609,079,707,616 - Step 5: Solve for x
x = 55,145,609,079,707,616/267,087,943.62 - Step 6: Final answer
x = 206,469,855.33
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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.