Home / 79,763,321.92-119,644,976.40-25,214,219.68

Finding the Fourth Proportional to 79,763,321.92, 119,644,976.40 and 25,214,219.68

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Solution

The fourth proportional to 79,763,321.92, 119,644,976.40 and 25,214,219.68 is: 37,821,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763,321.92 : 119,644,976.40 = 25,214,219.68 : x
  2. Step 2: Convert to fraction form
    79,763,321.92/119,644,976.40 = 25,214,219.68/x
  3. Step 3: Cross multiply
    79,763,321.92x = 119,644,976.40 × 25,214,219.68
  4. Step 4: Simplify right side
    79,763,321.92x = 3,016,754,718,558,015.50
  5. Step 5: Solve for x
    x = 3,016,754,718,558,015.50/79,763,321.92
  6. Step 6: Final answer
    x = 37,821,327.47

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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.