Home / 73,155,738.10-109,733,973.87-18,568,339.86

Finding the Fourth Proportional to 73,155,738.10, 109,733,973.87 and 18,568,339.86

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Solution

The fourth proportional to 73,155,738.10, 109,733,973.87 and 18,568,339.86 is: 27,852,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,155,738.10 : 109,733,973.87 = 18,568,339.86 : x
  2. Step 2: Convert to fraction form
    73,155,738.10/109,733,973.87 = 18,568,339.86/x
  3. Step 3: Cross multiply
    73,155,738.10x = 109,733,973.87 × 18,568,339.86
  4. Step 4: Simplify right side
    73,155,738.10x = 2,037,577,721,383,113.25
  5. Step 5: Solve for x
    x = 2,037,577,721,383,113.25/73,155,738.10
  6. Step 6: Final answer
    x = 27,852,602.88

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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.