Finding the Fourth Proportional to 259,985,593.86, 389,854,441.35 and 96,215,983.62
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Solution
The fourth proportional to 259,985,593.86, 389,854,441.35 and 96,215,983.62 is: 144,278,103.98
Step by Step Solution
- Step 1: Write the proportion equation
259,985,593.86 : 389,854,441.35 = 96,215,983.62 : x - Step 2: Convert to fraction form
259,985,593.86/389,854,441.35 = 96,215,983.62/x - Step 3: Cross multiply
259,985,593.86x = 389,854,441.35 × 96,215,983.62 - Step 4: Simplify right side
259,985,593.86x = 37,510,228,543,115,856 - Step 5: Solve for x
x = 37,510,228,543,115,856/259,985,593.86 - Step 6: Final answer
x = 144,278,103.98
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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.