Home / 65,738,350.56-90,720,846-35,970,785.76

Finding the Fourth Proportional to 65,738,350.56, 90,720,846 and 35,970,785.76

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Solution

The fourth proportional to 65,738,350.56, 90,720,846 and 35,970,785.76 is: 49,640,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,738,350.56 : 90,720,846 = 35,970,785.76 : x
  2. Step 2: Convert to fraction form
    65,738,350.56/90,720,846 = 35,970,785.76/x
  3. Step 3: Cross multiply
    65,738,350.56x = 90,720,846 × 35,970,785.76
  4. Step 4: Simplify right side
    65,738,350.56x = 3,263,300,115,431,953
  5. Step 5: Solve for x
    x = 3,263,300,115,431,953/65,738,350.56
  6. Step 6: Final answer
    x = 49,640,736.16

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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.