Finding the Fourth Proportional to 209,952,154.05, 314,928,231.08 and 133,330,171.65
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Solution
The fourth proportional to 209,952,154.05, 314,928,231.08 and 133,330,171.65 is: 199,995,257.48
Step by Step Solution
- Step 1: Write the proportion equation
209,952,154.05 : 314,928,231.08 = 133,330,171.65 : x - Step 2: Convert to fraction form
209,952,154.05/314,928,231.08 = 133,330,171.65/x - Step 3: Cross multiply
209,952,154.05x = 314,928,231.08 × 133,330,171.65 - Step 4: Simplify right side
209,952,154.05x = 41,989,435,106,660,616 - Step 5: Solve for x
x = 41,989,435,106,660,616/209,952,154.05 - Step 6: Final answer
x = 199,995,257.48
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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.