Finding the Fourth Proportional to 154,777,086.58, 232,267,781.76 and 82,044,943.21
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Solution
The fourth proportional to 154,777,086.58, 232,267,781.76 and 82,044,943.21 is: 123,121,563.95
Step by Step Solution
- Step 1: Write the proportion equation
154,777,086.58 : 232,267,781.76 = 82,044,943.21 : x - Step 2: Convert to fraction form
154,777,086.58/232,267,781.76 = 82,044,943.21/x - Step 3: Cross multiply
154,777,086.58x = 232,267,781.76 × 82,044,943.21 - Step 4: Simplify right side
154,777,086.58x = 19,056,396,964,011,872 - Step 5: Solve for x
x = 19,056,396,964,011,872/154,777,086.58 - Step 6: Final answer
x = 123,121,563.95
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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.