Finding the Fourth Proportional to 87,415,529.55, 120,634,406.91 and 48,257,326.14
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Solution
The fourth proportional to 87,415,529.55, 120,634,406.91 and 48,257,326.14 is: 66,595,648.94
Step by Step Solution
- Step 1: Write the proportion equation
87,415,529.55 : 120,634,406.91 = 48,257,326.14 : x - Step 2: Convert to fraction form
87,415,529.55/120,634,406.91 = 48,257,326.14/x - Step 3: Cross multiply
87,415,529.55x = 120,634,406.91 × 48,257,326.14 - Step 4: Simplify right side
87,415,529.55x = 5,821,493,917,961,340 - Step 5: Solve for x
x = 5,821,493,917,961,340/87,415,529.55 - Step 6: Final answer
x = 66,595,648.94
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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.