Finding the Fourth Proportional to 199,590,715.20, 299,386,072.80 and 184,660,795.20
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Solution
The fourth proportional to 199,590,715.20, 299,386,072.80 and 184,660,795.20 is: 276,991,192.80
Step by Step Solution
- Step 1: Write the proportion equation
199,590,715.20 : 299,386,072.80 = 184,660,795.20 : x - Step 2: Convert to fraction form
199,590,715.20/299,386,072.80 = 184,660,795.20/x - Step 3: Cross multiply
199,590,715.20x = 299,386,072.80 × 184,660,795.20 - Step 4: Simplify right side
199,590,715.20x = 55,284,870,275,053,088 - Step 5: Solve for x
x = 55,284,870,275,053,088/199,590,715.20 - Step 6: Final answer
x = 276,991,192.80
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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.