Finding the Fourth Proportional to 87,950,749.20, 131,927,139.36 and 26,540,439.84
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Solution
The fourth proportional to 87,950,749.20, 131,927,139.36 and 26,540,439.84 is: 39,810,966.22
Step by Step Solution
- Step 1: Write the proportion equation
87,950,749.20 : 131,927,139.36 = 26,540,439.84 : x - Step 2: Convert to fraction form
87,950,749.20/131,927,139.36 = 26,540,439.84/x - Step 3: Cross multiply
87,950,749.20x = 131,927,139.36 × 26,540,439.84 - Step 4: Simplify right side
87,950,749.20x = 3,501,404,305,447,376 - Step 5: Solve for x
x = 3,501,404,305,447,376/87,950,749.20 - Step 6: Final answer
x = 39,810,966.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.