Finding the Fourth Proportional to 132,880,604.10, 199,320,906.15 and 86,964,101.70
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Solution
The fourth proportional to 132,880,604.10, 199,320,906.15 and 86,964,101.70 is: 130,446,152.55
Step by Step Solution
- Step 1: Write the proportion equation
132,880,604.10 : 199,320,906.15 = 86,964,101.70 : x - Step 2: Convert to fraction form
132,880,604.10/199,320,906.15 = 86,964,101.70/x - Step 3: Cross multiply
132,880,604.10x = 199,320,906.15 × 86,964,101.70 - Step 4: Simplify right side
132,880,604.10x = 17,333,763,553,364,756 - Step 5: Solve for x
x = 17,333,763,553,364,756/132,880,604.10 - Step 6: Final answer
x = 130,446,152.55
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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.