Finding the Fourth Proportional to 277,968,495.12, 383,437,150.84 and 173,364,962.16
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Solution
The fourth proportional to 277,968,495.12, 383,437,150.84 and 173,364,962.16 is: 239,144,249.49
Step by Step Solution
- Step 1: Write the proportion equation
277,968,495.12 : 383,437,150.84 = 173,364,962.16 : x - Step 2: Convert to fraction form
277,968,495.12/383,437,150.84 = 173,364,962.16/x - Step 3: Cross multiply
277,968,495.12x = 383,437,150.84 × 173,364,962.16 - Step 4: Simplify right side
277,968,495.12x = 66,474,567,146,114,808 - Step 5: Solve for x
x = 66,474,567,146,114,808/277,968,495.12 - Step 6: Final answer
x = 239,144,249.49
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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.