Finding the Fourth Proportional to 199,588,131.70, 299,382,197.55 and 134,964,906.10
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Solution
The fourth proportional to 199,588,131.70, 299,382,197.55 and 134,964,906.10 is: 202,447,359.15
Step by Step Solution
- Step 1: Write the proportion equation
199,588,131.70 : 299,382,197.55 = 134,964,906.10 : x - Step 2: Convert to fraction form
199,588,131.70/299,382,197.55 = 134,964,906.10/x - Step 3: Cross multiply
199,588,131.70x = 299,382,197.55 × 134,964,906.10 - Step 4: Simplify right side
199,588,131.70x = 40,406,090,180,347,400 - Step 5: Solve for x
x = 40,406,090,180,347,400/199,588,131.70 - Step 6: Final answer
x = 202,447,359.15
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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.