Finding the Fourth Proportional to 88,597,704.80, 132,896,557.20 and 87,403,311.20
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Solution
The fourth proportional to 88,597,704.80, 132,896,557.20 and 87,403,311.20 is: 131,104,966.80
Step by Step Solution
- Step 1: Write the proportion equation
88,597,704.80 : 132,896,557.20 = 87,403,311.20 : x - Step 2: Convert to fraction form
88,597,704.80/132,896,557.20 = 87,403,311.20/x - Step 3: Cross multiply
88,597,704.80x = 132,896,557.20 × 87,403,311.20 - Step 4: Simplify right side
88,597,704.80x = 11,615,599,146,360,202 - Step 5: Solve for x
x = 11,615,599,146,360,202/88,597,704.80 - Step 6: Final answer
x = 131,104,966.80
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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.