Finding the Fourth Proportional to 123,236,414.68, 170,071,566.60 and 68,232,271
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Solution
The fourth proportional to 123,236,414.68, 170,071,566.60 and 68,232,271 is: 94,163,476.37
Step by Step Solution
- Step 1: Write the proportion equation
123,236,414.68 : 170,071,566.60 = 68,232,271 : x - Step 2: Convert to fraction form
123,236,414.68/170,071,566.60 = 68,232,271/x - Step 3: Cross multiply
123,236,414.68x = 170,071,566.60 × 68,232,271 - Step 4: Simplify right side
123,236,414.68x = 11,604,369,221,645,748 - Step 5: Solve for x
x = 11,604,369,221,645,748/123,236,414.68 - Step 6: Final answer
x = 94,163,476.37
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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.