Finding the Fourth Proportional to 306,914,352.80, 423,536,850.96 and 167,682,117.92
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Solution
The fourth proportional to 306,914,352.80, 423,536,850.96 and 167,682,117.92 is: 231,398,615.08
Step by Step Solution
- Step 1: Write the proportion equation
306,914,352.80 : 423,536,850.96 = 167,682,117.92 : x - Step 2: Convert to fraction form
306,914,352.80/423,536,850.96 = 167,682,117.92/x - Step 3: Cross multiply
306,914,352.80x = 423,536,850.96 × 167,682,117.92 - Step 4: Simplify right side
306,914,352.80x = 71,019,556,186,140,176 - Step 5: Solve for x
x = 71,019,556,186,140,176/306,914,352.80 - Step 6: Final answer
x = 231,398,615.08
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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.