Finding the Fourth Proportional to 115,986,868.58, 160,060,753.29 and 63,063,575.48
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Solution
The fourth proportional to 115,986,868.58, 160,060,753.29 and 63,063,575.48 is: 87,027,122.30
Step by Step Solution
- Step 1: Write the proportion equation
115,986,868.58 : 160,060,753.29 = 63,063,575.48 : x - Step 2: Convert to fraction form
115,986,868.58/160,060,753.29 = 63,063,575.48/x - Step 3: Cross multiply
115,986,868.58x = 160,060,753.29 × 63,063,575.48 - Step 4: Simplify right side
115,986,868.58x = 10,094,003,397,126,214 - Step 5: Solve for x
x = 10,094,003,397,126,214/115,986,868.58 - Step 6: Final answer
x = 87,027,122.30
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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.