Finding the Fourth Proportional to 87,684,684.52, 131,556,236.86 and 29,398,130.12
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Solution
The fourth proportional to 87,684,684.52, 131,556,236.86 and 29,398,130.12 is: 44,106,988.47
Step by Step Solution
- Step 1: Write the proportion equation
87,684,684.52 : 131,556,236.86 = 29,398,130.12 : x - Step 2: Convert to fraction form
87,684,684.52/131,556,236.86 = 29,398,130.12/x - Step 3: Cross multiply
87,684,684.52x = 131,556,236.86 × 29,398,130.12 - Step 4: Simplify right side
87,684,684.52x = 3,867,507,369,307,820.50 - Step 5: Solve for x
x = 3,867,507,369,307,820.50/87,684,684.52 - Step 6: Final answer
x = 44,106,988.47
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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.