Finding the Fourth Proportional to 277,846,396.66, 416,807,920.31 and 161,316,631.99
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Solution
The fourth proportional to 277,846,396.66, 416,807,920.31 and 161,316,631.99 is: 241,997,199.53
Step by Step Solution
- Step 1: Write the proportion equation
277,846,396.66 : 416,807,920.31 = 161,316,631.99 : x - Step 2: Convert to fraction form
277,846,396.66/416,807,920.31 = 161,316,631.99/x - Step 3: Cross multiply
277,846,396.66x = 416,807,920.31 × 161,316,631.99 - Step 4: Simplify right side
277,846,396.66x = 67,238,049,889,316,920 - Step 5: Solve for x
x = 67,238,049,889,316,920/277,846,396.66 - Step 6: Final answer
x = 241,997,199.53
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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.