Finding the Fourth Proportional to 87,879,882.10, 131,819,823.15 and 84,296,701.30
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Solution
The fourth proportional to 87,879,882.10, 131,819,823.15 and 84,296,701.30 is: 126,445,051.95
Step by Step Solution
- Step 1: Write the proportion equation
87,879,882.10 : 131,819,823.15 = 84,296,701.30 : x - Step 2: Convert to fraction form
87,879,882.10/131,819,823.15 = 84,296,701.30/x - Step 3: Cross multiply
87,879,882.10x = 131,819,823.15 × 84,296,701.30 - Step 4: Simplify right side
87,879,882.10x = 11,111,976,257,494,376 - Step 5: Solve for x
x = 11,111,976,257,494,376/87,879,882.10 - Step 6: Final answer
x = 126,445,051.95
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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.