Finding the Fourth Proportional to 53,489,446.56, 73,813,366.80 and 29,042,601.12
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Solution
The fourth proportional to 53,489,446.56, 73,813,366.80 and 29,042,601.12 is: 40,077,665.92
Step by Step Solution
- Step 1: Write the proportion equation
53,489,446.56 : 73,813,366.80 = 29,042,601.12 : x - Step 2: Convert to fraction form
53,489,446.56/73,813,366.80 = 29,042,601.12/x - Step 3: Cross multiply
53,489,446.56x = 73,813,366.80 × 29,042,601.12 - Step 4: Simplify right side
53,489,446.56x = 2,143,732,169,296,650.75 - Step 5: Solve for x
x = 2,143,732,169,296,650.75/53,489,446.56 - Step 6: Final answer
x = 40,077,665.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.