Finding the Fourth Proportional to 87,156,067.80, 130,720,104.90 and 26,557,699.80
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Solution
The fourth proportional to 87,156,067.80, 130,720,104.90 and 26,557,699.80 is: 39,832,284.67
Step by Step Solution
- Step 1: Write the proportion equation
87,156,067.80 : 130,720,104.90 = 26,557,699.80 : x - Step 2: Convert to fraction form
87,156,067.80/130,720,104.90 = 26,557,699.80/x - Step 3: Cross multiply
87,156,067.80x = 130,720,104.90 × 26,557,699.80 - Step 4: Simplify right side
87,156,067.80x = 3,471,625,303,758,709.50 - Step 5: Solve for x
x = 3,471,625,303,758,709.50/87,156,067.80 - Step 6: Final answer
x = 39,832,284.67
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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.