Home / 119,221,739.76-178,705,290.60-67,993,451.76

Finding the Fourth Proportional to 119,221,739.76, 178,705,290.60 and 67,993,451.76

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Solution

The fourth proportional to 119,221,739.76, 178,705,290.60 and 67,993,451.76 is: 101,917,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,221,739.76 : 178,705,290.60 = 67,993,451.76 : x
  2. Step 2: Convert to fraction form
    119,221,739.76/178,705,290.60 = 67,993,451.76/x
  3. Step 3: Cross multiply
    119,221,739.76x = 178,705,290.60 × 67,993,451.76
  4. Step 4: Simplify right side
    119,221,739.76x = 12,150,789,555,667,882
  5. Step 5: Solve for x
    x = 12,150,789,555,667,882/119,221,739.76
  6. Step 6: Final answer
    x = 101,917,566.21

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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.