Finding the Fourth Proportional to 178,676,128.92, 267,953,939.30 and 67,985,521.68
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Solution
The fourth proportional to 178,676,128.92, 267,953,939.30 and 67,985,521.68 is: 101,955,356.09
Step by Step Solution
- Step 1: Write the proportion equation
178,676,128.92 : 267,953,939.30 = 67,985,521.68 : x - Step 2: Convert to fraction form
178,676,128.92/267,953,939.30 = 67,985,521.68/x - Step 3: Cross multiply
178,676,128.92x = 267,953,939.30 × 67,985,521.68 - Step 4: Simplify right side
178,676,128.92x = 18,216,988,349,521,556 - Step 5: Solve for x
x = 18,216,988,349,521,556/178,676,128.92 - Step 6: Final answer
x = 101,955,356.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.