Finding the Fourth Proportional to 225,031,860.96, 337,560,855.12 and 86,858,250.72
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Solution
The fourth proportional to 225,031,860.96, 337,560,855.12 and 86,858,250.72 is: 130,292,418.43
Step by Step Solution
- Step 1: Write the proportion equation
225,031,860.96 : 337,560,855.12 = 86,858,250.72 : x - Step 2: Convert to fraction form
225,031,860.96/337,560,855.12 = 86,858,250.72/x - Step 3: Cross multiply
225,031,860.96x = 337,560,855.12 × 86,858,250.72 - Step 4: Simplify right side
225,031,860.96x = 29,319,945,387,270,556 - Step 5: Solve for x
x = 29,319,945,387,270,556/225,031,860.96 - Step 6: Final answer
x = 130,292,418.43
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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.