Home / 74,783,719.20-111,945,712.14-63,751,311.60

Finding the Fourth Proportional to 74,783,719.20, 111,945,712.14 and 63,751,311.60

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Solution

The fourth proportional to 74,783,719.20, 111,945,712.14 and 63,751,311.60 is: 95,431,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783,719.20 : 111,945,712.14 = 63,751,311.60 : x
  2. Step 2: Convert to fraction form
    74,783,719.20/111,945,712.14 = 63,751,311.60/x
  3. Step 3: Cross multiply
    74,783,719.20x = 111,945,712.14 × 63,751,311.60
  4. Step 4: Simplify right side
    74,783,719.20x = 7,136,685,976,921,043
  5. Step 5: Solve for x
    x = 7,136,685,976,921,043/74,783,719.20
  6. Step 6: Final answer
    x = 95,431,011.63

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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.