Finding the Fourth Proportional to 289,940,856.08, 400,118,446.71 and 159,560,664.08
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Solution
The fourth proportional to 289,940,856.08, 400,118,446.71 and 159,560,664.08 is: 220,193,752.37
Step by Step Solution
- Step 1: Write the proportion equation
289,940,856.08 : 400,118,446.71 = 159,560,664.08 : x - Step 2: Convert to fraction form
289,940,856.08/400,118,446.71 = 159,560,664.08/x - Step 3: Cross multiply
289,940,856.08x = 400,118,446.71 × 159,560,664.08 - Step 4: Simplify right side
289,940,856.08x = 63,843,165,065,705,088 - Step 5: Solve for x
x = 63,843,165,065,705,088/289,940,856.08 - Step 6: Final answer
x = 220,193,752.37
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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.