Finding the Fourth Proportional to 199,558,889.80, 299,114,385.90 and 113,338,601.80
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Solution
The fourth proportional to 199,558,889.80, 299,114,385.90 and 113,338,601.80 is: 169,880,711.95
Step by Step Solution
- Step 1: Write the proportion equation
199,558,889.80 : 299,114,385.90 = 113,338,601.80 : x - Step 2: Convert to fraction form
199,558,889.80/299,114,385.90 = 113,338,601.80/x - Step 3: Cross multiply
199,558,889.80x = 299,114,385.90 × 113,338,601.80 - Step 4: Simplify right side
199,558,889.80x = 33,901,206,276,171,632 - Step 5: Solve for x
x = 33,901,206,276,171,632/199,558,889.80 - Step 6: Final answer
x = 169,880,711.95
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1.5x scale
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.