Finding the Fourth Proportional to 209,954,674.80, 314,837,533.80 and 80,519,266.80
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Solution
The fourth proportional to 209,954,674.80, 314,837,533.80 and 80,519,266.80 is: 120,742,666.99
Step by Step Solution
- Step 1: Write the proportion equation
209,954,674.80 : 314,837,533.80 = 80,519,266.80 : x - Step 2: Convert to fraction form
209,954,674.80/314,837,533.80 = 80,519,266.80/x - Step 3: Cross multiply
209,954,674.80x = 314,837,533.80 × 80,519,266.80 - Step 4: Simplify right side
209,954,674.80x = 25,350,487,382,696,216 - Step 5: Solve for x
x = 25,350,487,382,696,216/209,954,674.80 - Step 6: Final answer
x = 120,742,666.99
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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.