Finding the Fourth Proportional to 48,699,356.29, 67,206,199.55 and 27,790,972.68
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Solution
The fourth proportional to 48,699,356.29, 67,206,199.55 and 27,790,972.68 is: 38,352,163.11
Step by Step Solution
- Step 1: Write the proportion equation
48,699,356.29 : 67,206,199.55 = 27,790,972.68 : x - Step 2: Convert to fraction form
48,699,356.29/67,206,199.55 = 27,790,972.68/x - Step 3: Cross multiply
48,699,356.29x = 67,206,199.55 × 27,790,972.68 - Step 4: Simplify right side
48,699,356.29x = 1,867,725,655,620,678.25 - Step 5: Solve for x
x = 1,867,725,655,620,678.25/48,699,356.29 - Step 6: Final answer
x = 38,352,163.11
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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.