Finding the Fourth Proportional to 86,302,605.44, 119,101,214.72 and 49,633,205.12
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Solution
The fourth proportional to 86,302,605.44, 119,101,214.72 and 49,633,205.12 is: 68,495,904.50
Step by Step Solution
- Step 1: Write the proportion equation
86,302,605.44 : 119,101,214.72 = 49,633,205.12 : x - Step 2: Convert to fraction form
86,302,605.44/119,101,214.72 = 49,633,205.12/x - Step 3: Cross multiply
86,302,605.44x = 119,101,214.72 × 49,633,205.12 - Step 4: Simplify right side
86,302,605.44x = 5,911,375,020,238,923 - Step 5: Solve for x
x = 5,911,375,020,238,923/86,302,605.44 - Step 6: Final answer
x = 68,495,904.50
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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.