Finding the Fourth Proportional to 133,059,556.30, 199,589,334.45 and 81,775,281.10
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Solution
The fourth proportional to 133,059,556.30, 199,589,334.45 and 81,775,281.10 is: 122,662,921.65
Step by Step Solution
- Step 1: Write the proportion equation
133,059,556.30 : 199,589,334.45 = 81,775,281.10 : x - Step 2: Convert to fraction form
133,059,556.30/199,589,334.45 = 81,775,281.10/x - Step 3: Cross multiply
133,059,556.30x = 199,589,334.45 × 81,775,281.10 - Step 4: Simplify right side
133,059,556.30x = 16,321,473,929,210,662 - Step 5: Solve for x
x = 16,321,473,929,210,662/133,059,556.30 - Step 6: Final answer
x = 122,662,921.65
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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.