Finding the Fourth Proportional to 154,440,843.33, 213,141,508.21 and 87,471,714.75
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Solution
The fourth proportional to 154,440,843.33, 213,141,508.21 and 87,471,714.75 is: 120,718,411.05
Step by Step Solution
- Step 1: Write the proportion equation
154,440,843.33 : 213,141,508.21 = 87,471,714.75 : x - Step 2: Convert to fraction form
154,440,843.33/213,141,508.21 = 87,471,714.75/x - Step 3: Cross multiply
154,440,843.33x = 213,141,508.21 × 87,471,714.75 - Step 4: Simplify right side
154,440,843.33x = 18,643,853,207,106,392 - Step 5: Solve for x
x = 18,643,853,207,106,392/154,440,843.33 - Step 6: Final answer
x = 120,718,411.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.