Finding the Fourth Proportional to 49,855,849.67, 68,800,809.99 and 28,953,023.08
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Solution
The fourth proportional to 49,855,849.67, 68,800,809.99 and 28,953,023.08 is: 39,955,019.38
Step by Step Solution
- Step 1: Write the proportion equation
49,855,849.67 : 68,800,809.99 = 28,953,023.08 : x - Step 2: Convert to fraction form
49,855,849.67/68,800,809.99 = 28,953,023.08/x - Step 3: Cross multiply
49,855,849.67x = 68,800,809.99 × 28,953,023.08 - Step 4: Simplify right side
49,855,849.67x = 1,991,991,439,547,321.75 - Step 5: Solve for x
x = 1,991,991,439,547,321.75/49,855,849.67 - Step 6: Final answer
x = 39,955,019.38
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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.