Home / 145,219,517.76-200,407,134.24-80,033,620.80

Finding the Fourth Proportional to 145,219,517.76, 200,407,134.24 and 80,033,620.80

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Solution

The fourth proportional to 145,219,517.76, 200,407,134.24 and 80,033,620.80 is: 110,448,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,517.76 : 200,407,134.24 = 80,033,620.80 : x
  2. Step 2: Convert to fraction form
    145,219,517.76/200,407,134.24 = 80,033,620.80/x
  3. Step 3: Cross multiply
    145,219,517.76x = 200,407,134.24 × 80,033,620.80
  4. Step 4: Simplify right side
    145,219,517.76x = 16,039,308,587,378,856
  5. Step 5: Solve for x
    x = 16,039,308,587,378,856/145,219,517.76
  6. Step 6: Final answer
    x = 110,448,711.27

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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.