Finding the Fourth Proportional to 277,968,339.70, 383,436,935.49 and 173,364,807.70
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Solution
The fourth proportional to 277,968,339.70, 383,436,935.49 and 173,364,807.70 is: 239,144,035.82
Step by Step Solution
- Step 1: Write the proportion equation
277,968,339.70 : 383,436,935.49 = 173,364,807.70 : x - Step 2: Convert to fraction form
277,968,339.70/383,436,935.49 = 173,364,807.70/x - Step 3: Cross multiply
277,968,339.70x = 383,436,935.49 × 173,364,807.70 - Step 4: Simplify right side
277,968,339.70x = 66,474,470,586,301,152 - Step 5: Solve for x
x = 66,474,470,586,301,152/277,968,339.70 - Step 6: Final answer
x = 239,144,035.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.