Finding the Fourth Proportional to 209,968,278.05, 314,952,417.08 and 133,346,295.65
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Solution
The fourth proportional to 209,968,278.05, 314,952,417.08 and 133,346,295.65 is: 200,019,443.48
Step by Step Solution
- Step 1: Write the proportion equation
209,968,278.05 : 314,952,417.08 = 133,346,295.65 : x - Step 2: Convert to fraction form
209,968,278.05/314,952,417.08 = 133,346,295.65/x - Step 3: Cross multiply
209,968,278.05x = 314,952,417.08 × 133,346,295.65 - Step 4: Simplify right side
209,968,278.05x = 41,997,738,123,631,792 - Step 5: Solve for x
x = 41,997,738,123,631,792/209,968,278.05 - Step 6: Final answer
x = 200,019,443.48
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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.