Finding the Fourth Proportional to 81,908,587.38, 122,863,340.34 and 27,321,023.10
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Solution
The fourth proportional to 81,908,587.38, 122,863,340.34 and 27,321,023.10 is: 40,981,687.84
Step by Step Solution
- Step 1: Write the proportion equation
81,908,587.38 : 122,863,340.34 = 27,321,023.10 : x - Step 2: Convert to fraction form
81,908,587.38/122,863,340.34 = 27,321,023.10/x - Step 3: Cross multiply
81,908,587.38x = 122,863,340.34 × 27,321,023.10 - Step 4: Simplify right side
81,908,587.38x = 3,356,752,159,572,302 - Step 5: Solve for x
x = 3,356,752,159,572,302/81,908,587.38 - Step 6: Final answer
x = 40,981,687.84
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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.