Home / 194,620,938.72-267,146,262.89-172,101,020.64

Finding the Fourth Proportional to 194,620,938.72, 267,146,262.89 and 172,101,020.64

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Solution

The fourth proportional to 194,620,938.72, 267,146,262.89 and 172,101,020.64 is: 236,234,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620,938.72 : 267,146,262.89 = 172,101,020.64 : x
  2. Step 2: Convert to fraction form
    194,620,938.72/267,146,262.89 = 172,101,020.64/x
  3. Step 3: Cross multiply
    194,620,938.72x = 267,146,262.89 × 172,101,020.64
  4. Step 4: Simplify right side
    194,620,938.72x = 45,976,144,503,530,752
  5. Step 5: Solve for x
    x = 45,976,144,503,530,752/194,620,938.72
  6. Step 6: Final answer
    x = 236,234,316.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.