Home / 74,366,979.20-111,550,468.80-50,180,508.80

Finding the Fourth Proportional to 74,366,979.20, 111,550,468.80 and 50,180,508.80

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Solution

The fourth proportional to 74,366,979.20, 111,550,468.80 and 50,180,508.80 is: 75,270,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366,979.20 : 111,550,468.80 = 50,180,508.80 : x
  2. Step 2: Convert to fraction form
    74,366,979.20/111,550,468.80 = 50,180,508.80/x
  3. Step 3: Cross multiply
    74,366,979.20x = 111,550,468.80 × 50,180,508.80
  4. Step 4: Simplify right side
    74,366,979.20x = 5,597,659,281,262,525
  5. Step 5: Solve for x
    x = 5,597,659,281,262,525/74,366,979.20
  6. Step 6: Final answer
    x = 75,270,763.20

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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.