Finding the Fourth Proportional to 229,248,847.80, 343,873,271.70 and 199,389,007.80
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Solution
The fourth proportional to 229,248,847.80, 343,873,271.70 and 199,389,007.80 is: 299,083,511.70
Step by Step Solution
- Step 1: Write the proportion equation
229,248,847.80 : 343,873,271.70 = 199,389,007.80 : x - Step 2: Convert to fraction form
229,248,847.80/343,873,271.70 = 199,389,007.80/x - Step 3: Cross multiply
229,248,847.80x = 343,873,271.70 × 199,389,007.80 - Step 4: Simplify right side
229,248,847.80x = 68,564,550,453,202,824 - Step 5: Solve for x
x = 68,564,550,453,202,824/229,248,847.80 - Step 6: Final answer
x = 299,083,511.70
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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.