Finding the Fourth Proportional to 199,151,434.88, 298,556,763.84 and 76,417,829.12
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Solution
The fourth proportional to 199,151,434.88, 298,556,763.84 and 76,417,829.12 is: 114,561,362.69
Step by Step Solution
- Step 1: Write the proportion equation
199,151,434.88 : 298,556,763.84 = 76,417,829.12 : x - Step 2: Convert to fraction form
199,151,434.88/298,556,763.84 = 76,417,829.12/x - Step 3: Cross multiply
199,151,434.88x = 298,556,763.84 × 76,417,829.12 - Step 4: Simplify right side
199,151,434.88x = 22,815,059,761,745,316 - Step 5: Solve for x
x = 22,815,059,761,745,316/199,151,434.88 - Step 6: Final answer
x = 114,561,362.69
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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.