Home / 140,808,879.10-194,312,571.09-78,084,817.27

Finding the Fourth Proportional to 140,808,879.10, 194,312,571.09 and 78,084,817.27

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Solution

The fourth proportional to 140,808,879.10, 194,312,571.09 and 78,084,817.27 is: 107,755,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,808,879.10 : 194,312,571.09 = 78,084,817.27 : x
  2. Step 2: Convert to fraction form
    140,808,879.10/194,312,571.09 = 78,084,817.27/x
  3. Step 3: Cross multiply
    140,808,879.10x = 194,312,571.09 × 78,084,817.27
  4. Step 4: Simplify right side
    140,808,879.10x = 15,172,861,605,854,972
  5. Step 5: Solve for x
    x = 15,172,861,605,854,972/140,808,879.10
  6. Step 6: Final answer
    x = 107,755,005.95

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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.