Home / 231,883,485.77-319,997,324.09-127,460,446.85

Finding the Fourth Proportional to 231,883,485.77, 319,997,324.09 and 127,460,446.85

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Solution

The fourth proportional to 231,883,485.77, 319,997,324.09 and 127,460,446.85 is: 175,894,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,883,485.77 : 319,997,324.09 = 127,460,446.85 : x
  2. Step 2: Convert to fraction form
    231,883,485.77/319,997,324.09 = 127,460,446.85/x
  3. Step 3: Cross multiply
    231,883,485.77x = 319,997,324.09 × 127,460,446.85
  4. Step 4: Simplify right side
    231,883,485.77x = 40,787,001,917,078,376
  5. Step 5: Solve for x
    x = 40,787,001,917,078,376/231,883,485.77
  6. Step 6: Final answer
    x = 175,894,379.81

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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.