Home / 127,892,219.72-191,755,845.25-50,176,977.89

Finding the Fourth Proportional to 127,892,219.72, 191,755,845.25 and 50,176,977.89

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Solution

The fourth proportional to 127,892,219.72, 191,755,845.25 and 50,176,977.89 is: 75,233,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892,219.72 : 191,755,845.25 = 50,176,977.89 : x
  2. Step 2: Convert to fraction form
    127,892,219.72/191,755,845.25 = 50,176,977.89/x
  3. Step 3: Cross multiply
    127,892,219.72x = 191,755,845.25 × 50,176,977.89
  4. Step 4: Simplify right side
    127,892,219.72x = 9,621,728,806,303,290
  5. Step 5: Solve for x
    x = 9,621,728,806,303,290/127,892,219.72
  6. Step 6: Final answer
    x = 75,233,105.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.