Finding the Fourth Proportional to 306,914,353.80, 423,536,852.34 and 167,682,118.92
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Solution
The fourth proportional to 306,914,353.80, 423,536,852.34 and 167,682,118.92 is: 231,398,616.46
Step by Step Solution
- Step 1: Write the proportion equation
306,914,353.80 : 423,536,852.34 = 167,682,118.92 : x - Step 2: Convert to fraction form
306,914,353.80/423,536,852.34 = 167,682,118.92/x - Step 3: Cross multiply
306,914,353.80x = 423,536,852.34 × 167,682,118.92 - Step 4: Simplify right side
306,914,353.80x = 71,019,556,841,078,352 - Step 5: Solve for x
x = 71,019,556,841,078,352/306,914,353.80 - Step 6: Final answer
x = 231,398,616.46
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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.