Finding the Fourth Proportional to 86,965,808.20, 130,464,458.70 and 43,726,193.80
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Solution
The fourth proportional to 86,965,808.20, 130,464,458.70 and 43,726,193.80 is: 65,597,207.95
Step by Step Solution
- Step 1: Write the proportion equation
86,965,808.20 : 130,464,458.70 = 43,726,193.80 : x - Step 2: Convert to fraction form
86,965,808.20/130,464,458.70 = 43,726,193.80/x - Step 3: Cross multiply
86,965,808.20x = 130,464,458.70 × 43,726,193.80 - Step 4: Simplify right side
86,965,808.20x = 5,704,714,205,128,296 - Step 5: Solve for x
x = 5,704,714,205,128,296/86,965,808.20 - Step 6: Final answer
x = 65,597,207.95
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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.