Home / 127,636,691,558.64-191,458,937,721.24-43,789,246,770.48

Finding the Fourth Proportional to 127,636,691,558.64, 191,458,937,721.24 and 43,789,246,770.48

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Solution

The fourth proportional to 127,636,691,558.64, 191,458,937,721.24 and 43,789,246,770.48 is: 65,685,208,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,636,691,558.64 : 191,458,937,721.24 = 43,789,246,770.48 : x
  2. Step 2: Convert to fraction form
    127,636,691,558.64/191,458,937,721.24 = 43,789,246,770.48/x
  3. Step 3: Cross multiply
    127,636,691,558.64x = 191,458,937,721.24 × 43,789,246,770.48
  4. Step 4: Simplify right side
    127,636,691,558.64x = 8,383,842,670,289,340,071,936
  5. Step 5: Solve for x
    x = 8,383,842,670,289,340,071,936/127,636,691,558.64
  6. Step 6: Final answer
    x = 65,685,208,288.54

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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.