Home / 126,309,751.60-174,322,581.24-76,758,221.92

Finding the Fourth Proportional to 126,309,751.60, 174,322,581.24 and 76,758,221.92

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Solution

The fourth proportional to 126,309,751.60, 174,322,581.24 and 76,758,221.92 is: 105,935,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,309,751.60 : 174,322,581.24 = 76,758,221.92 : x
  2. Step 2: Convert to fraction form
    126,309,751.60/174,322,581.24 = 76,758,221.92/x
  3. Step 3: Cross multiply
    126,309,751.60x = 174,322,581.24 × 76,758,221.92
  4. Step 4: Simplify right side
    126,309,751.60x = 13,380,691,376,487,150
  5. Step 5: Solve for x
    x = 13,380,691,376,487,150/126,309,751.60
  6. Step 6: Final answer
    x = 105,935,537.10

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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.